LAYNE CHRISTENSEN CO
424B1, 1997-08-14
CONSTRUCTION - SPECIAL TRADE CONTRACTORS
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<PAGE>
                                                Filed Pursuant to Rule 424(b)(1)
 
                                                      Registration No. 333-29581
 
PROSPECTUS
 
DATED AUGUST 14, 1997
 
                                5,000,000 SHARES
 
                                     [LOGO]
 
                           LAYNE CHRISTENSEN COMPANY
                                  COMMON STOCK
 
Of the 5,000,000 shares of Common Stock offered hereby, 2,006,565 shares are
being sold by Layne Christensen Company, a Delaware corporation ("Layne
Christensen" or the "Company"), and 2,993,435 shares are being sold by the
Selling Stockholders. See "Principal and Selling Stockholders." The Company will
not receive any proceeds from the sale of shares by the Selling Stockholders.
 
The Common Stock is quoted on the Nasdaq National Market under the symbol
"LAYN." On August 13, 1997, the last reported sale price of the Common Stock was
$17 3/8 per share. See "Price Range of Common Stock."
 
SEE "RISK FACTORS" COMMENCING ON PAGE 7 FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED BY PROSPECTIVE INVESTORS.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION, NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
                                                                               Proceeds to
                                       Price to    Underwriting Proceeds to      Selling
                                        Public     Discount(1)  Company(2)    Stockholders
<S>                                  <C>           <C>          <C>          <C>
Per Share..........................     $17.00        $.83        $16.17         $16.17
Total(3)...........................  $85,000,000   $4,150,000   $32,446,156   $48,403,844
</TABLE>
 
(1) The Company and the Selling Stockholders have agreed to indemnify the
    Underwriters against certain liabilities, including liabilities under the
    Securities Act of 1933, as amended (the "Securities Act"). See
    "Underwriting."
 
(2) Before deducting expenses of the offering payable by the Company estimated
    at $700,000.
 
(3) The Company has granted to the Underwriters a 30-day option to purchase up
    to an aggregate of 750,000 additional shares of Common Stock, solely to
    cover over-allotments, if any, at the per share Price to Public less the
    Underwriting Discount. If the Underwriters exercise this option in full, the
    total Price to Public, Underwriting Discount and Proceeds to Company will be
    $97,750,000, $4,772,500 and $44,573,656, respectively. See "Underwriting."
 
The shares of Common Stock are offered by the Underwriters, subject to prior
sale when, as and if delivered to and accepted by the Underwriters and subject
to their right to reject orders in whole or in part. It is expected that
delivery of the certificates representing shares of Common Stock will be made at
the offices of Piper Jaffray Inc. in Minneapolis, Minnesota on or about August
19, 1997.
 
PIPER JAFFRAY INC.                                       DILLON, READ & CO. INC.
<PAGE>
                           LAYNE CHRISTENSEN COMPANY
                              WORLDWIDE LOCATIONS
 
    Description of graphics on inside front cover of Prospectus: Map of world
with inset showing United States detail, with star indicating location of
corporate headquarters in Mission Woods, Kansas; white dots indicating locations
pending completion of Stanley Acquisition; and yellow dots showing the following
locations of sales and operations offices:
 
<TABLE>
<S>                             <C>                             <C>
Albany, GA                      Anchorage, AK                   Atlanta, GA
Aurora, IL                      Baton Rouge, LA                 Beecher, IL
Cedar Rapids, IA                Chandler, AZ                    Cleveland, MS
Columbus, OH                    Denver, CO                      Edwardsburg, MI
Elk City, OK                    El Paso, TX                     Eunice, LA
Fontana, CA (2)                 Garden City, KS                 Grayson, KY
Houston, TX                     Jackson, MS                     Kearney, NE
Lakeland, FL                    Lansing, MI                     Las Vegas, NV
Louisville, KY                  Marshalltown, IA                Memphis, TN
Milwaukee, WI                   Mission Woods, KS               Omaha, NE
Pensacola, FL                   Pooler, GA                      St. Louis, MO (2)
Salt Lake City, UT              San Antonio, TX                 Spokane, WA
Springfield, MO                 Stuttgart, AR                   Suffolk, VA
Tacoma, WA                      Tempe, AZ                       Tyler, TX
Wausau, WI                      West Monroe, LA                 Wichita, KS
Winchester, VA                  Woodland, CA                    Boston, MA
North Bay, Ontario, Canada      Phoenix, AZ                     Calgary, Alberta, Canada
La Paz, Bolivia                 Hermosillo, Sonora, Mexico (2)  Toluca, Mexico
Bangkok, Thailand (2)           Antofagasto, Chile              Santiago, Chile (2)
Lima, Peru (2)                  Stuttgart, Germany              Nice, France
 
LOCATIONS PENDING COMPLETION OF STANLEY ACQUISITION (INDICATED
  WITH WHITE DOTS):
Malaga Western Australia
Kalgoorlie/Boulder, Western Australia
Accra, West Africa
Obuasi, West Africa
Dar es Salaam, Tanzania
</TABLE>
 
CERTAIN PERSONS PARTICIPATING IN THIS OFFERING MAY ENGAGE IN TRANSACTIONS THAT
STABILIZE, MAINTAIN OR OTHERWISE AFFECT THE PRICE OF THE COMMON STOCK OF THE
COMPANY, INCLUDING OVER-ALLOTMENT, STABILIZING AND SHORT-COVERING TRANSACTIONS
IN SUCH SECURITIES, AND THE IMPOSITION OF A PENALTY BID, DURING AND AFTER THE
OFFERING. IN ADDITION, IN CONNECTION WITH THIS OFFERING, CERTAIN UNDERWRITERS
(AND SELLING GROUP MEMBERS) ALSO MAY ENGAGE IN PASSIVE MARKET MAKING
TRANSACTIONS IN THE COMMON STOCK ON THE NASDAQ NATIONAL MARKET, IN ACCORDANCE
WITH RULE 103 UNDER THE SECURITIES EXCHANGE ACT OF 1934. FOR A DESCRIPTION OF
THESE ACTIVITIES, SEE "UNDERWRITING."
<PAGE>
                               PROSPECTUS SUMMARY
 
    THE FOLLOWING SUMMARY IS QUALIFIED IN ITS ENTIRETY BY, AND SHOULD BE READ IN
CONJUNCTION WITH, THE MORE DETAILED INFORMATION AND FINANCIAL STATEMENTS AND
NOTES THERETO APPEARING ELSEWHERE IN THIS PROSPECTUS. THE "STANLEY ACQUISITION"
REFERS TO (I) THE ACQUISITION BY THE COMPANY OF ALL THE OUTSTANDING CAPITAL
STOCK OF STANLEY MINING SERVICES LIMITED ("STANLEY") AND CERTAIN RELATED
TRANSACTIONS AND THE COSTS AND EXPENSES THEREOF AND (II) THE REPURCHASE BY
GLINDEMANN & KITCHING PTY LTD. ("G&K"), STANLEY'S 51% OWNED SUBSIDIARY, OF ALL
OF G&K'S CAPITAL STOCK NOT OWNED BY STANLEY, THEREBY MAKING G&K A WHOLLY OWNED
SUBSIDIARY OF STANLEY (THE "G&K ACQUISITION"). ALL REFERENCES TO A PARTICULAR
"FISCAL YEAR" OF THE COMPANY REFER TO THE TWELVE MONTHS ENDED JANUARY 31 OF THE
YEAR REFERENCED, UNLESS OTHERWISE NOTED. EXCEPT WHERE OTHERWISE INDICATED, THE
INFORMATION CONTAINED IN THIS PROSPECTUS ASSUMES THAT THE UNDERWRITERS'
OVER-ALLOTMENT OPTION IS NOT EXERCISED. SEE "UNDERWRITING." SEE "RISK FACTORS"
FOR CERTAIN FACTORS THAT SHOULD BE CONSIDERED IN CONNECTION WITH AN INVESTMENT
IN THE SHARES OF COMMON STOCK OFFERED HEREBY. ALL REFERENCES TO THE "COMPANY"
AND "LAYNE CHRISTENSEN" MEAN LAYNE CHRISTENSEN COMPANY, ITS DOMESTIC AND FOREIGN
CONSOLIDATED SUBSIDIARIES AND ITS UNCONSOLIDATED FOREIGN AFFILIATES, AND EXCLUDE
STANLEY AND G&K, UNLESS THE CONTEXT INDICATES OTHERWISE. UNLESS OTHERWISE
INDICATED, ALL CURRENCY INFORMATION IS DENOMINATED IN UNITED STATES DOLLARS.
 
                                  THE COMPANY
 
    Layne Christensen provides sophisticated drilling services and related
products and services in four principal markets: water supply, mineral
exploration, geotechnical construction and environmental. The Company believes
it is the largest provider in the United States of water well drilling, well
maintenance and environmental drilling services. The Company also believes it is
one of the world's largest providers of mineral exploration drilling services
and a world leader in diamond drill bit technology. Layne Christensen's
customers include municipalities, industrial companies, mining companies and
environmental consulting and engineering firms located principally in the United
States, Canada, Mexico and South America. Following consummation of the Stanley
Acquisition, the Company will gain entry into mineral exploration drilling
markets in Australia and West Africa.
 
    After giving effect to the Stanley Acquisition, on a pro forma basis, the
Company would have had $278,070,000 in revenues for fiscal 1997. In addition,
the Company's share of foreign affiliate revenues in fiscal 1997 was
approximately $41,000,000. Including its share of foreign affiliate revenues, on
a pro forma basis after giving effect to the Stanley Acquisition, the Company's
domestic operations and international operations, respectively, would have
accounted for approximately 62% and 38% of fiscal 1997 revenues. Approximately
88% of the Company's revenues would have been allocated among the Company's
services approximately as follows: water well drilling and maintenance, 34%;
mineral exploration drilling, 42%; environmental drilling, 7%; and geotechnical
and other services, 5%. Approximately 12% of the Company's revenues would have
been attributable to product sales, primarily for mineral exploration drilling.
 
    Layne Christensen believes it is one of only a few companies worldwide that
has the drilling expertise, financial resources, equipment and project
management skills to conduct large, highly complex drilling projects in the
Company's principal markets. As a result of providing water well and mineral
exploration drilling services for more than 100 years through its predecessor
companies, the Company has developed significant drilling expertise and project
management skills and has compiled a broad database of geological and other
technical information. The Company has substantial resources, including over 500
rigs and associated capital equipment, approximately 60 sales and operations
offices and approximately 1,800 employees (in each case excluding its foreign
affiliates).
 
    In fiscal 1994, following a change in the Company's management, the Company
began a program to improve operating efficiencies and reduce costs through
office closures, reduced headcount, increased investment in
productivity-enhancing capital equipment and improved safety practices. At the
same time, it implemented steps to improve margins by emphasizing higher margin,
technically demanding work. The implementation of these programs resulted in the
Company's gross margin increasing from 23.4% for the
 
                                       3
<PAGE>
twelve months ended January 31, 1994 to 27.5% for fiscal 1997 and its selling,
general and administrative expenses, as a percentage of revenues, decreasing
from 18.8% to 17.5% over the same period.
 
    In addition to these operating initiatives, the Company implemented a
strategy focused on increasing revenues through acquisitions and internal
expansion into new geographical markets and new business lines. As a result of
this strategy, the Company's revenues have increased from $169,766,000 in the
twelve months ended January 31, 1994 to $222,853,000 in fiscal 1997. During this
period, revenues from mineral exploration products and services became a more
significant portion of the Company's business, the Company's water well drilling
and maintenance revenues remained relatively stable, and the Company's revenues
from environmental services declined as a result of an overall decline in the
market for such services and the Company's decision not to pursue lower margin,
less technically demanding projects.
 
    The Company's growth strategy is to continue to build upon its sophisticated
drilling expertise and technical qualifications and includes the following key
components:
 
        EXPAND MINERAL EXPLORATION DRILLING INTERNATIONALLY.  The Company
    believes that its best mineral exploration drilling opportunities exist in
    Australasia, Africa and South America. The Company's acquisition of
    Christensen Boyles Corporation ("CBC") in December 1995 allowed it to enter
    certain South American mineral exploration markets, including Chile and
    Peru. The Stanley Acquisition will allow the Company to enter mineral
    exploration markets in Australia and West Africa. The Company intends to
    continue to expand its international mineral exploration drilling business
    through internal expansion and acquisitions.
 
        ACQUIRE WATER WELL DRILLING BUSINESSES IN THE UNITED STATES.  Due to the
    highly fragmented nature of the United States water well drilling industry,
    the Company believes there are consolidation opportunities which may be
    achieved through the acquisition of selected regional water well drilling
    companies whose operations would benefit from the Company's expertise and
    resources. For example, in July 1997 the Company acquired Stamm-Scheele
    Inc., a water well drilling company based near Baton Rouge, Louisiana.
 
        EXPAND WATER WELL DRILLING INTERNATIONALLY.  The Company intends to
    build its water well drilling business internationally by providing
    dewatering and water supply services to its mining customers and by
    responding to growing requirements of many developing countries to access
    groundwater to satisfy their potable water needs. The Company is currently
    undertaking water projects in Chile and Indonesia and intends to expand into
    the water well drilling markets in Mexico, Thailand and certain other
    foreign locations.
 
        EXPAND PRESENCE IN GEOTECHNICAL CONSTRUCTION SERVICES.  The Company is
    increasing its activities in the geotechnical construction market, a
    business line which leverages the Company's technical skills and other core
    competencies. The Company's strategy is to focus on relatively larger,
    technically demanding projects using its grouting and ground freezing
    capabilities. For example, in April 1997, the Company entered into a
    contract to design and construct the world's largest known groundfreeze
    project for Echo Bay Mines Ltd.
 
                               RECENT DEVELOPMENT
 
    On May 20, 1997, Layne Christensen, through its wholly-owned subsidiary
Layne Christensen Australia Pty Limited ("Layne Australia"), made a tender offer
to the security holders of Stanley, a company listed on the Australian Stock
Exchange. Stanley is a leading Australian mineral exploration drilling company
that provides services predominantly to gold mining companies in Australia and
West Africa, principally Ghana. As of October 1, 1996, the operations of Stanley
have included those of its 51% owned subsidiary, G&K, a leading drilling
contractor based and operating in Western Australia that specializes in diamond
core exploration drilling for gold projects. The purchase price of the Stanley
Acquisition is estimated at $57,990,000, consisting of a cash purchase price for
the tender offer estimated at $51,666,000
 
                                       4
<PAGE>
and an estimated liability of $6,324,000 relating to G&K's obligation to
repurchase the remaining 49% of the outstanding capital stock of G&K. The tender
offer was consummated on July 25, 1997.
 
    The Company believes that the Stanley Acquisition will provide the Company
with several strategic benefits. The Company will gain entry into the drilling
markets of Australia and West Africa, as well as access to the operational
expertise of Stanley and G&K, including Stanley's base of Australian expatriate
employees in West Africa. The Company believes that Stanley's experience in
drill and blast operations will offer the Company's affiliates in South America
an opportunity to provide these services in that region. In addition, G&K has
significant experience in the design and fabrication, for internal use, of
multi-purpose exploration rigs which can alternate between diamond core and
reverse circulation drilling; the Company believes this experience will enable
it to design improved products for this application. See "The Stanley
Acquisition."
 
                                  THE OFFERING
 
<TABLE>
<CAPTION>
<S>                                            <C>
Common Stock offered:
    By the Company...........................  2,006,565 shares
    By the Selling Stockholders..............  2,993,435 shares
      Total..................................  5,000,000 shares
Common Stock to be outstanding after the
  offering...................................  10,950,522 shares (1)
Use of proceeds..............................  To repay indebtedness incurred in connection
                                               with the Stanley Acquisition. See "Use of
                                               Proceeds."
Nasdaq National Market symbol................  LAYN
</TABLE>
 
- ------------------------
 
(1) Includes 68,966 shares purchased by Mr. Stanley in connection with the
    Stanley Acquisition, but does not include options to purchase 206,897 shares
    of Common Stock granted to Mr. Stanley. Does not include options granted to
    other key employees to purchase 657,642 shares of Common Stock outstanding
    as of June 30, 1997 under the Company's stock option plans, 459,974 of which
    were immediately exercisable or exercisable within 60 days of such date. See
    "Unaudited Pro Forma Consolidated Financial Statements."
 
            CAUTIONARY LANGUAGE REGARDING FORWARD-LOOKING STATEMENTS
 
    This Prospectus contains forward-looking statements within the meaning of
Section 27A of the Securities Act and Section 21E of the Exchange Act. Such
statements may be found in the material set forth under "Prospectus Summary,"
"Risk Factors," "The Stanley Acquisition," "Unaudited Consolidated Pro Forma
Financial Statements," "Management's Discussion and Analysis of Financial
Condition and Results of Operations" and "Business" as well as in the Prospectus
generally (including the documents incorporated herein by reference) and are
indicated by words or phrases such as "anticipate," "estimate," "project,"
"believe," "intend," "expect," "plan" and similar words or phrases. Such
statements are based on current expectations and are subject to certain risks,
uncertainties and assumptions, including but not limited to those discussed in
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" and "Risk Factors." Should one or more of these risks or
uncertainties materialize, or should underlying assumptions prove incorrect,
actual results may vary materially and adversely from those anticipated,
estimated or projected. These forward-looking statements are made as of the date
of this Prospectus, and the Company assumes no obligation to update such
forward-looking statements or to update the reasons why actual results could
differ materially from those anticipated in such forward-looking statements.
 
                                       5
<PAGE>
          SUMMARY HISTORICAL AND PRO FORMA CONSOLIDATED FINANCIAL DATA
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                          THREE MONTHS
                                         ENDED APRIL 30,                        YEAR ENDED JANUARY 31,
                               -----------------------------------  ----------------------------------------------
                               PRO FORMA(1)                         PRO FORMA(1)
                                   1997         1997       1996         1997         1997      1996(2)     1995
                               -------------  ---------  ---------  -------------  ---------  ---------  ---------
<S>                            <C>            <C>        <C>        <C>            <C>        <C>        <C>
INCOME STATEMENT DATA:
  Revenues...................      $71,368      $57,750    $53,773     $278,070     $222,853   $167,271   $166,830
  Gross profit...............       19,443       15,605     14,070       77,139       61,251     45,193     43,016
  Operating income...........        3,693        2,446      1,492       16,860       11,321      8,700      6,345
  Equity in earnings of
    foreign affiliates.......          820          820      1,102        3,895        3,895         --         --
  Net income.................        1,964        1,683      1,103        9,934        8,017      4,587      2,960
  Net income per common and
    dilutive equivalent share
    outstanding..............      $  0.17      $  0.18    $  0.12     $   0.88     $   0.88   $   0.61   $   0.40
  Weighted average number of
    common and dilutive
    equivalent shares
    outstanding..............   11,359,472(3) 9,234,000  8,912,000   11,271,472(3) 9,146,000  7,517,000  7,348,000
</TABLE>
 
<TABLE>
<CAPTION>
                                                                    APRIL 30,
                                                            --------------------------            JANUARY 31,
                                                            PRO FORMA(4)                -------------------------------
                                                                1997          1997        1997      1996(2)     1995
                                                            -------------  -----------  ---------  ---------  ---------
<S>                                                         <C>            <C>          <C>        <C>        <C>
BALANCE SHEET DATA:
  Working capital.........................................    $  51,674     $  37,572   $  29,643  $  26,796  $  13,578
  Total assets............................................      224,014       152,841     143,650    134,177     79,094
  Long term debt..........................................       62,375        35,783      30,314     28,428         --
  Total stockholders' equity..............................       97,746        64,500      62,664     53,972     40,273
</TABLE>
 
- ------------------------
(1) The unaudited pro forma income statement data reflects (i) the Stanley
    Acquisition; (ii) Stanley's initial purchase of 51% of G&K; and (iii) the
    offering and the application of the estimated net proceeds to the Company as
    described in "Use of Proceeds" as if such transactions had occurred on
    February 1, 1996. See "The Stanley Acquisition" and "Unaudited Pro Forma
    Consolidated Financial Statements."
 
(2) In December 1995, the Company completed a merger with CBC which has been
    accounted for under the purchase method of accounting (see Note 2 of the
    Notes to the Company's Consolidated Financial Statements) and, accordingly,
    the Company's consolidated results include the operations of CBC from the
    date of acquisition.
 
(3) Reflects the number of shares of Common Stock issued in connection with the
    Stanley Acquisition and the shares to be sold by the Company in the offering
    contemplated hereby as if outstanding for the entire year. Amount includes
    the dilutive effect (under the treasury stock method) of the option to
    purchase 206,897 shares of Common Stock granted to Mr. Stanley. See "The
    Stanley Acquisition."
 
(4) The unaudited pro forma balance sheet data reflects (i) the Stanley
    Acquisition and (ii) the offering and the application of the estimated net
    proceeds to the Company as described in "Use of Proceeds" as if such
    transactions had occurred as of April 30, 1997. See "The Stanley
    Acquisition" and "Unaudited Pro Forma Consolidated Financial Statements."
 
                                       6
<PAGE>
                                  RISK FACTORS
 
    AN INVESTMENT IN THE COMMON STOCK OFFERED HEREBY INVOLVES CERTAIN RISKS.
PROSPECTIVE INVESTORS SHOULD CAREFULLY CONSIDER ALL OF THE INFORMATION SET FORTH
IN THIS PROSPECTUS AND, IN PARTICULAR, SHOULD EVALUATE THE FOLLOWING RISK
FACTORS BEFORE MAKING AN INVESTMENT IN THE COMMON STOCK.
 
DEPENDENCE ON MINERAL EXPLORATION AND DEVELOPMENT
 
    Demand for the Company's mineral exploration drilling services and products
depends in part upon the level of mineral exploration and development activities
conducted by mining companies, particularly with respect to gold and copper.
Mineral exploration is highly speculative and is influenced by a variety of
factors, including the prevailing prices for various metals which often
fluctuate widely. For example, the price of gold, which has recently declined
significantly, is affected by numerous factors, including international economic
trends, currency exchange fluctuations, expectations for inflation, speculative
activities, consumption patterns, purchases and sales of gold bullion holdings
by central banks and others, world production levels and political events. In
addition to prevailing prices for minerals, mineral exploration activity is
influenced by the economic feasibility of mineral exploration and production,
the discovery rate of new mineral reserves, national and international political
and economic conditions and the ability of mining companies to access or
generate sufficient funds to finance capital expenditures for their activities.
In this regard, recent fraudulent activities concerning junior Canadian mining
companies could damage the ability of smaller mining companies to raise the
capital necessary to conduct mineral exploration activities. These smaller
mining companies constitute a substantial portion of new mineral exploration
activity. A substantial reduction in mineral exploration and development
activity by these smaller mining companies would reduce demand for mineral
exploration drilling services and products and could have a material adverse
effect on the Company. See "Business--Services and Products" and "-- Customers
and Contracts."
 
DEPENDENCE ON FOREIGN OPERATIONS
 
    The earnings of the Company are and are expected to be increasingly
dependent upon the results of its operations in foreign countries, including
among others, Argentina, Bolivia, Canada, Chile, Indonesia, Mexico and Peru and,
following the consummation of the Company's acquisition of Stanley, Australia
and certain countries in West Africa. Including the Company's share of foreign
affiliate revenues, in fiscal 1997, the percentage of the Company's revenues
generated by domestic operations and international operations, respectively, was
75% and 25%, and after giving effect to the Stanley Acquisition on a pro forma
basis, the percentages would have been 62% and 38%. The Company's foreign
operations are subject to certain risks beyond the control of the Company,
including political, social and economic instability; war and civil
disturbances; taking of property by nationalization or expropriation without
fair compensation; changes in government policies and regulations; tariffs,
taxes and other trade barriers; exchange controls and limitations on remittance
of dividends or other payments to the Company by its foreign subsidiaries and
affiliates; and devaluations and fluctuations in currency exchange rates. In
particular, land title claims by Australia's indigenous people could affect
mineral property rights, which could have an adverse impact on the demand for
Stanley's mineral exploration drilling services. Some of the Company's contracts
are not and will not be denominated in dollars, and the Company does not
currently engage in foreign currency hedging transactions. In addition, the
Company does not maintain political risk insurance and its business interruption
insurance does not extend to foreign operations. No assurance can be given that
any of these risks affecting foreign operations will not have a material adverse
effect on the Company.
 
RISKS ASSOCIATED WITH ACQUISITION STRATEGY
 
    The Company's business strategy includes growth through acquisitions in the
United States and internationally. In May 1997, the Company made a tender offer
for all of the outstanding capital stock of Stanley, a publicly held mineral
exploration company based in Australia with substantial operations in West
 
                                       7
<PAGE>
Africa, principally Ghana. The Company acquired CBC in fiscal 1996, resulting in
the Company's expansion of its domestic and international mineral exploration
drilling activities as well as its entry into the products manufacturing market.
No assurance can be given that in the future the Company will successfully
identify suitable acquisition candidates, complete acquisitions or successfully
integrate the acquired operations into its existing operations. Moreover, once
integrated, acquired operations may not achieve levels of revenues or
profitability comparable to those achieved by the Company's existing operations
or otherwise perform as expected due to adversely changing operating results,
unforeseen liabilities and losses of customers and employees as a result of new
ownership as well as other factors beyond the Company's control. See
"Business--Business Strategy" and "The Stanley Acquisition."
 
    Notwithstanding its own review and investigation, at the time of an
acquisition, the Company's management has and will have limited knowledge about
the business acquired in such acquisition, including its specific operating
history and financial condition. In addition, the scope of due diligence
investigations in connection with foreign acquisitions generally may be more
limited than is common for investigations in the United States, due to limited
access to information, limited documentation of material agreements and cultural
and other factors. Whether an acquired business is based in the United States or
abroad, no assurance can be given that the Company paid or will pay reasonable
prices for an acquired business or negotiated or will negotiate appropriate
contractual terms, including seller representations, warranties and indemnities.
In this regard, as is customary for tender offers in Australia, no
representations and warranties have been made with respect to the business,
assets or liabilities associated with Stanley, and the Company will have no
contractual recourse to Stanley's shareholders for undisclosed liabilities or
adverse changes in Stanley's operations. To the extent the Company must pay for
significant unanticipated obligations of Stanley or other acquired businesses,
the Company could be materially adversely affected.
 
OPERATING RISKS
 
    The Company's drilling activities involve certain operating hazards that can
result in personal injury or loss of life, damage and destruction of property
and equipment, damage to the surrounding areas, release of hazardous substances
or wastes and other damage to the environment, interruption or suspension of
drill site operations and loss of revenues and future business. The magnitude of
these operating risks is amplified when the Company, as is frequently the case,
conducts a project on a fixed-price, "turnkey" basis in which the Company
delegates certain functions to subcontractors but remains responsible to the
customer for the subcontracted work. Whether or not the Company or its
subcontractor causes an accident, the Company could be named as a defendant in
lawsuits asserting large claims arising from such occurrences. Although the
Company maintains insurance protection that it considers economically prudent,
there can be no assurance that any such insurance will be sufficient or
effective under all circumstances or against all claims or hazards to which the
Company may be subject or that the Company will be able to continue to obtain
such insurance protection. A successful claim or damage resulting from a hazard
for which the Company is not fully insured could have a material adverse effect
on the Company. Furthermore, no assurance can be given that the Company will be
able to maintain adequate insurance in the future at rates that it considers
reasonable. See "Business--Potential Liability and Insurance." In addition, the
Company's operations are subject to curtailed or suspended operations as a
result of adverse weather conditions, natural disasters, work stoppages, mine
closings, force majeure and other similar events, which could have a material
adverse impact upon the Company. Moreover, the Company's foreign drill rigs are
often situated in remote locations with limited infrastructure support which
could hinder the supply and mobilization of rigs, supporting equipment and
supplies.
 
                                       8
<PAGE>
NEED FOR SKILLED WORKERS
 
    The Company's ability to remain productive, profitable and competitive
depends substantially upon its ability to retain and attract skilled drillers
and employees with expert geological knowledge and capabilities. The demand for
such workers is high and the supply is limited. The inability of the Company to
attract and retain trained drillers and other skilled employees in the United
States and overseas could have a material adverse effect on the Company.
 
COMPETITIVE BIDS; LOW BARRIERS TO ENTRY; COMPETITION
 
    Contracts for the Company's services are awarded on a competitive bid or
negotiated basis. Principal factors considered in awarding a particular contract
may often include a firm's technical expertise, reputation, bonding capacity,
safety record, access to available equipment, project management skills,
scheduling estimates and price. In its water well drilling and maintenance
businesses, the Company competes with many smaller firms on a local or regional
level. There are no proprietary technologies or other significant factors which
prevent other firms from entering these local or regional markets or from
consolidating together into larger companies more comparable in size to the
Company. In its mineral exploration business, the Company competes with a number
of drilling companies, including the Boart Longyear Group, an indirect
subsidiary of Anglo-American Industrial Corporation, Ltd ("Boart Longyear"), and
Ausdrill Limited, as well as vertically integrated mining companies that conduct
their own exploration drilling or drill and blast activities; some of these
competitors have greater capital and other resources than the Company.
Additional competition could adversely affect the Company. See "Business--
Competition."
 
REGULATION OF DRILLING SERVICES
 
    The services provided by the Company are subject to various licensing,
permitting, approval and reporting requirements imposed by federal, state, local
and foreign laws. Its operations are subject to inspection and regulation by
various governmental agencies, including the Department of Transportation,
Occupation and Safety Health Administration ("OSHA") and Mine Safety and Health
Administration of the Department of Labor ("MSHA") in the United States as well
as their counterparts in foreign countries. Such regulation also affects the
Company's mining customers and may influence their determination whether to
conduct mineral exploration and development; future changes in these laws,
domestically or in foreign countries, could have a material adverse impact on
the Company's customers, which in turn could have a material adverse impact on
the Company. See "Business--Regulatory and Environmental Matters."
 
POTENTIAL ENVIRONMENTAL LIABILITY
 
    The Company's activities are subject to regulation under various
environmental laws regarding emissions to air, discharges to water and
management of wastes and hazardous substances. To the extent the Company fails
to comply with these various regulations, it could be subject to monetary fines,
suspension of operations and other penalties. In particular, in April 1997,
employees of the Company conducting a ground freeze project on the site of a
steel plant in Northwest Indiana were involved in a spill of approximately 2,000
gallons of ammonium hydroxide from a storage tank which resulted in a discharge
of the pollutant. In June 1997, the Company learned that the United States
Environmental Protection Agency (the "EPA"), Region V Office of Criminal
Investigation, was investigating the matter. To date the EPA has conducted
interviews of a limited number of employees. At this time, no written claims or
charges have been made against the Company or any of its employees. However,
there can be no assurance that civil or criminal charges will not result from
the investigation or that such charges will not have a material adverse effect
on the Company. In particular, criminal liability could impair the ability of
the Company to be awarded municipal and federal government contracts. See
"Business--Regulatory and Environmental Matters."
 
                                       9
<PAGE>
DEPENDENCE ON MUNICIPAL SPENDING IN WATER WELL BUSINESS
 
    Approximately 27% of the Company's fiscal 1997 revenues were derived from
water well drilling and maintenance contracts with local governmental entities
or agencies. Large reductions in such spending by a significant number of
municipalities or local governmental agencies could have a material adverse
effect on the Company. See "Business--Customers and Contracts."
 
CONTROL BY PRINCIPAL STOCKHOLDER
 
    After the offering and based on shares of Common Stock outstanding as of
June 1, 1997, an aggregate of 2,120,436 shares of Common Stock, or approximately
19.4% (18.1% if the Underwriters' over-allotment option is exercised in full) of
the outstanding Common Stock, will be held by KKR Associates, L.P. ("KKR
Associates"), an affiliate of Kohlberg Kravis Roberts & Co., L.P. ("KKR"), and
Marley G.P., Inc., another KKR affiliate. Consequently, KKR and its affiliates
will be able to exercise significant influence over the business of the Company
by virtue of their existing representation on the Board of Directors of the
Company and their voting power with respect to the election of directors and
actions requiring stockholder approval. Moreover, in connection with the
Company's acquisition of CBC, certain former CBC stockholders holding an
aggregate of approximately 1,500,000 shares of Common Stock as of June 1, 1997,
approximately 725,000 of which will be sold in this offering, agreed to vote
their shares of Common Stock through December 2001 for a Board consisting of
five directors and the election as directors of four individuals designated by
KKR. In addition, KKR renders consulting and financial services to the Company
for which it receives an annual fee. See "Management" and "Principal and Selling
Stockholders."
 
FLUCTUATIONS IN QUARTERLY RESULTS
 
    The Company historically has experienced fluctuations in its quarterly
results arising from the timing of the award and completion of contracts, the
recording of related revenues and unanticipated additional costs incurred on
projects. The Company's revenues on large drilling contracts are recognized on a
percentage of completion basis for individual contracts based upon the ratio of
costs incurred to total estimated costs at completion. Contract price and cost
estimates are reviewed periodically as work progresses and adjustments
proportionate to the percentage of completion are reflected in contract revenues
and gross profit in the reporting period when such estimates are revised.
Changes in job performance, job conditions and estimated profitability
(including those arising from contract penalty provisions) and final contract
settlements may result in revisions to costs and income and are recognized in
the period in which the revisions are determined. A significant number of the
Company's contracts contain fixed prices and generally assign responsibility to
the Company for cost overruns for the subject projects; as a result, revenues
and gross margin may vary from those originally estimated and, depending upon
the size of the project, variations from estimated contract performance could
affect the Company's operating results for a particular quarter. Many of the
Company's contracts are also subject to cancellation by the customer upon short
notice with limited damages payable to the Company. In addition, adverse weather
conditions, natural disasters, force majeure and other similar events can
curtail Company operations in various regions of the world throughout the year,
resulting in performance delays and increased costs. Moreover, the Company's
domestic drilling activities and related revenues and earnings tend to decrease
in the winter months when adverse weather conditions interfere with access to
drilling sites and the ability to drill; as a result, the Company's revenues and
earnings in its second and third quarters tend to be higher than revenues and
earnings in its first and fourth quarters. Accordingly, as a result of the
foregoing as well as other factors, quarterly results should not be considered
indicative of results to be expected for any other quarter or for any full
fiscal year. See "Management's Discussion and Analysis of Financial Condition
and Results of Operations" and the Company's Consolidated Financial Statements
and Notes thereto.
 
                                       10
<PAGE>
PRICE VOLATILITY
 
    The market price of the Common Stock could be subject to significant
fluctuations in response to quarter-to-quarter variations in the Company's
results of operations, changes in earnings estimates or recommendations by
analysts, other events or factors relating to the Company's performance or the
drilling or mining industries generally, factors influencing the demand and
supply of gold and copper and related mining activity, the sale or attempted
sale of a large amount of shares of Common Stock in the public market or the
registration for resale of any shares of Common Stock. After this offering, the
holders of approximately 3,200,000 shares of restricted Common Stock will
continue to have certain registration rights. The Company's executive officers
and directors and certain principal and other stockholders and other Selling
Stockholders, who hold in the aggregate approximately 3,300,000 shares of Common
Stock, after giving effect to the offering, will agree that for a period of 90
days after the date of this Prospectus, they will not, without the prior written
consent of Piper Jaffray Inc., dispose of any shares of Common Stock. Except for
such agreement, KKR Associates and Marley G.P., Inc. are under no obligation to
retain the shares of Common Stock held by them, which will represent
approximately 19.4% of the Company's outstanding Common Stock after giving
effect to the offering, and may distribute or dispose of them at any time. In
addition, the securities markets have experienced significant price and volume
fluctuations from time to time in recent years that have often been unrelated or
disproportionate to the operating performance of particular companies or
industries. These fluctuations may adversely affect the market price of the
Common Stock. See "Price Range of Common Stock," "Description of Capital Stock--
Registration and Other Rights" and "Underwriting."
 
CERTAIN ANTI-TAKEOVER EFFECTS
 
    The Company's Restated Certificate of Incorporation and Bylaws, as well as
Delaware corporate law, contain certain provisions that could have the effect of
delaying, deferring or preventing a change of control of the Company that may be
in the best interest of stockholders. These provisions include the ability of
the Company to issue up to 5,000,000 shares of preferred stock having such
designations, preferences and rights as may be fixed by the Board of Directors,
without any stockholder approval, and a provision under which only the Board of
Directors may call meetings of stockholders. In addition, the directors are
divided into three classes, each having a term of three years, with the term of
one class expiring each year. These provisions could delay the replacement of a
majority of the directors and have the effect of making changes in the Board of
Directors more difficult than if such provisions were not in place. Under
certain conditions, Section 203 of the Delaware General Corporation Law would
prohibit the Company from engaging in a "business combination" with an
"interested stockholder" (in general, a stockholder owning 15% or more of the
Company's outstanding voting stock) for a period of time. See "Description of
Capital Stock."
 
DIVIDENDS RESTRICTED
 
    The Company has not paid any cash dividends on its Common Stock since the
Company's initial public offering in August 1992. Moreover, the Board of
Directors of the Company does not anticipate paying any cash dividends in the
foreseeable future. In addition, the Company's current credit arrangements
restrict its ability to pay dividends. See "Dividend Policy."
 
                            THE STANLEY ACQUISITION
 
    On May 20, 1997, Layne Christensen, through its wholly-owned subsidiary
Layne Australia, made a tender offer to the security holders of Stanley, a
company listed on the Australian Stock Exchange. Stanley is a leading Australian
mineral exploration drilling company that provides services predominantly to
gold mining companies in Australia and West Africa, principally Ghana. As of
October 1, 1996, the operations of Stanley have included those of its 51% owned
subsidiary, G&K, a leading drilling contractor based and operating in Western
Australia that specializes in diamond core exploration drilling for gold
projects. The
 
                                       11
<PAGE>
purchase price of the Stanley Acquisition is estimated at $57,990,000,
consisting of a cash purchase price for the tender offer estimated at
$51,666,000 and an estimated liability of $6,324,000 relating to G&K's
obligation to repurchase the remaining 49% of the outstanding capital stock of
G&K.
 
    On July 7, 1997, the close of the tender offer period, 98% of the Stanley
shares then outstanding had been tendered. The tender offer was consummated on
July 25, 1997. Layne Australia will purchase the shares of Stanley that were not
tendered, at the tender offer share price, pursuant to legal procedures
available to corporations owning at least 90% of the shares of a target
corporation. The G&K Acquisition is expected to be completed by September 30,
1997.
 
    The Company believes that the Stanley Acquisition will provide the Company
with several strategic benefits. The Company will gain entry into the drilling
markets of Australia and West Africa, as well as access to the operational
expertise of Stanley and G&K, including Stanley's base of Australian expatriate
employees in West Africa. The Company believes that Stanley's experience in
drill and blast operations will offer the Company's affiliates in South America
an opportunity to provide these services in that region. In addition, G&K has
significant experience in the design and fabrication, for internal use, of
multi-purpose exploration rigs which can alternate between diamond core and
reverse circulation drilling; the Company believes this experience will enable
it to design improved products for this application.
 
    Stanley specializes in diamond core, reverse circulation and percussion
drilling techniques, principally in gold mines, and has recently expanded into
the iron ore market. Stanley also provides drill and blast services at
production-stage open pit mines, a business line not currently offered by the
Company. In drill and blast operations, the driller drills holes for the
placement of explosives; the explosives are then detonated to loosen and
dislodge earth, which is hauled away by the mining company for processing. Drill
and blast contracts typically have lower margins than traditional mineral
exploration drilling projects; however, they provide more stable revenues
because drill and blast contracts typically have a duration of three to five
years whereas traditional mineral exploration projects typically have
substantially shorter terms. For its fiscal year ended June 30, 1996,
approximately 49% of Stanley's revenues were derived from traditional
exploration drilling and 51% were derived from its drill and blast operations.
For the purposes of this Prospectus, the phrase "mineral exploration drilling"
includes drill and blast operations, unless otherwise noted. In addition,
Stanley has equity interests in mining companies with limited gold mining
concessions in Ghana and Cote D'Ivoire; the Company, however, does not presently
intend to expand this portion of Stanley's business. Stanley began its
operations in 1980 in Australia as an exploration drilling company, expanding
into drill and blast operations in 1990. Stanley established its presence in
Africa in 1991 as mining companies focused increasingly on that continent. As of
May 31, 1997, Stanley (excluding G&K) owned or leased 20 drill rigs in West
Africa and 21 drill rigs in Western Australia and employed in excess of 380
employees. G&K had over 150 employees and owned or leased 23 rigs as of May 31,
1997.
 
    In connection with the Stanley Acquisition, the Company entered into a
three-year employment agreement with Ross F. Stanley, the principal founder of
Stanley. The Company and Mr. Stanley also agreed that he would purchase
$1,500,000 of the Company's Common Stock and would be granted options to
purchase three times the number of such purchased shares.
 
    The Stanley Acquisition is being financed through a $100,000,000 reducing
revolving credit facility provided by Bank of America National Trust and Savings
Association ("Bank of America") and a syndicate arranged by BancAmerica
Securities, Inc. (the "New Credit Agreement"). The Company also borrowed funds
under the New Credit Agreement to refinance the Company's pre-existing
$30,000,000 credit facility. The Company intends to use the proceeds from the
sale of 2,006,565 shares of Common Stock offered hereby to reduce debt under the
New Credit Agreement. See "Use of Proceeds," "Unaudited Consolidated Pro Forma
Financial Statements," "Management's Discussion and Analysis of Financial
Condition and Results of Operations--Overview" and "--Liquidity and Capital
Resources."
 
                                       12
<PAGE>
           SUMMARY UNAUDITED STANLEY AND G&K HISTORICAL AND PRO FORMA
                          CONSOLIDATED FINANCIAL DATA
                                 (IN THOUSANDS)
 
    The following sets forth summary historical and pro forma consolidated
financial data prepared to reflect the combination of Stanley and G&K under the
purchase method of accounting as if Stanley had owned 100% of G&K. The financial
data below does not give effect to Layne Christensen's acquisition of Stanley.
The income statement data is prepared as if the combination had occurred as of
the beginning of the periods presented. The balance sheet data is prepared as if
the combination had occurred as of the balance sheet date indicated. The fiscal
year end of both Stanley and G&K is June 30.
 
    The summary historical and pro forma consolidated financial data presented
is unaudited and does not purport to present the financial position or results
of operations of the companies had the transaction assumed herein occurred on
the dates indicated, nor are they necessarily indicative of the results of
operations which may be expected to occur in the future.
 
    The summary historical and pro forma consolidated financial data is based
upon, and should be read in conjunction with, the separate financial statements
of Stanley and G&K and notes thereto (including US GAAP reconciliation
adjustments). The Company cannot predict whether the consummation of the G&K
Acquisition will conform to the assumptions used in the preparation of the
summary historical and pro forma consolidated financial data. In addition,
management has made a preliminary allocation of purchase price to the assets and
liabilities of G&K based on information currently available. Management intends
to obtain appraisals and other information which will be used to complete the
ultimate allocation of the purchase price. The final allocation of the purchase
price may be substantially different than the preliminary allocation.
 
<TABLE>
<CAPTION>
                                                                     NINE MONTHS ENDED MARCH 31,
                                     --------------------------------------------------------------------------------------------
                                                           1997                                           1996
                                     ------------------------------------------------   -----------------------------------------
                                     STANLEY(2)     G&K      ADJUSTMENTS     COMBINED   STANLEY    G&K    ADJUSTMENTS    COMBINED
                                     ----------   -------  ---------------   --------   -------  -------  ------------   --------
<S>                                  <C>          <C>      <C>               <C>        <C>      <C>      <C>            <C>
INCOME STATEMENT DATA:(1)
  Revenues.........................   $37,166     $15,386  $(10,531)(3)      $42,021    $22,830  $12,294  $  --          $35,124
  Depreciation.....................     2,989         520      (369)(3)        3,140      1,477      387     --            1,864
  Interest expense.................       222          53       (25)(3)          675        230       91    561(4)           882
                                                                425(4)
  Income before taxes..............     3,839       3,898    (2,580)(3)        4,695      2,906    1,777   (652)(4)        4,031
                                                               (462)(4)
  Income tax expense...............     1,496       1,413      (938)(3)        1,795      1,141      664   (248)(5)        1,557
                                                               (176)(5)
  Net income.......................     1,383       2,485    (1,642)(3)        2,900      1,765    1,113   (404)(4)(5)     2,474
                                                               (286)(4)(5)
                                                                960(6)
</TABLE>
 
<TABLE>
<CAPTION>
                                                   TWELVE MONTHS ENDED JUNE 30, 1996
                                               -----------------------------------------
                                               STANLEY    G&K    ADJUSTMENTS    COMBINED
                                               -------  -------  ------------   --------
<S>                                            <C>      <C>      <C>            <C>
  Revenues...................................  $32,596  $17,239  $  --          $49,835
  Depreciation...............................    2,128      536     --            2,664
  Interest expense...........................      346      120    749(4)         1,215
  Income before taxes........................    4,006    1,997   (870)(4)        5,133
  Income tax expense.........................    1,616      741   (331)(5)        2,026
  Net income.................................    2,390    1,256   (539)(4)(5)     3,107
</TABLE>
 
<TABLE>
<CAPTION>
                                                         MARCH 31, 1997                           JUNE 30, 1996
                                               -----------------------------------   ----------------------------------------
                                                STANLEY     ADJUSTMENTS   COMBINED   STANLEY   G&K    ADJUSTMENTS    COMBINED
                                               ----------   -----------   --------   -------  ------  ------------   --------
<S>                                            <C>          <C>           <C>        <C>      <C>     <C>            <C>
BALANCE SHEET DATA:(7)
  Working capital............................   $13,992     $    --       $13,992    $ 7,131  $1,887  $    --        $ 9,018
  Total assets...............................    45,324         325(8)     45,649     27,323   8,591    3,030(9)      38,944
  Long term debt.............................       998       6,324(8)      7,322      6,308      --    9,980(9)      16,288
  Total stockholders' equity.................    26,992          --        26,992     12,771   4,254   (2,665)(9)(10)  14,360
</TABLE>
 
                                       13
<PAGE>
- ------------------------------
 
(1) Reflects the results of operations of Stanley and G&K for the periods
    denoted (in US GAAP). In addition, the columns designated "Adjustments"
    include adjustments necessary to reflect the combined results of Stanley and
    G&K as if Stanley had owned 100% of G&K as of the beginning of the periods
    denoted. The Income Statement Data assumes conversion rates of $.7868,
    $.7480 and $.7576 for the periods ended March 31, 1997, March 31, 1996 and
    June 30, 1996, respectively. These were the average monthly conversion rates
    during each of the periods.
 
(2) Includes the results of operations for G&K for the period from October 1,
    1996 (the effective date of Stanley's acquisition of 51% of the common stock
    of G&K) through March 31, 1997.
 
(3) Represents the elimination of the results of operations for G&K (already
    included in Stanley's results of operations) for the period from October 1,
    1996 through March 31, 1997.
 
(4) Represents interest expense at an assumed rate of 7.5% (which represents an
    estimate of the variable rate under the New Credit Agreement) and
    amortization of goodwill (based on a period of 25 years) assuming Stanley
    owned 100% of G&K for the periods presented.
 
<TABLE>
<CAPTION>
                                                                          MARCH 31,
                                                                     --------------------  JUNE 30,
                                                                       1997       1996       1996
                                                                     ---------  ---------  ---------
<S>                                                                  <C>        <C>        <C>
Interest expense on borrowings.....................................  $ 425,000  $ 561,000  $ 749,000
Goodwill amortization of excess purchase price over net assets of
  G&K..............................................................     37,000     91,000    121,000
                                                                     ---------  ---------  ---------
Adjustment to income before taxes..................................  $ 462,000  $ 652,000  $ 870,000
                                                                     ---------  ---------  ---------
                                                                     ---------  ---------  ---------
</TABLE>
 
(5) Tax effect at an assumed statutory rate of 38% on income before income
    taxes.
 
(6) Reflects the elimination of the minority interest of G&K recorded by
    Stanley.
 
(7) Reflects (in US GAAP) the consolidated financial position of Stanley as of
    March 31, 1997 (including G&K) and the financial position of Stanley and G&K
    as of June 30, 1996. The columns designated "Adjustments" include
    adjustments necessary to reflect the combined results of Stanley and G&K as
    if Stanley had owned 100% of G&K as of the dates denoted. The Balance Sheet
    Data assumes a conversion rate of $.7860 and $.7875 at March 31, 1997 and
    June 30, 1996, respectively.
 
(8) Represents the recording of goodwill resulting from the G&K Acquisition.
    Management currently estimates that the excess purchase price over
    historical cost of the G&K Acquisition will be allocated to goodwill based
    on a preliminary review of the G&K financial statements.
 
<TABLE>
<S>                                                                                   <C>
Estimated purchase price of the 49% minority interest of G&K (borrowings)...........  $  6,324,000
Minority interest in G&K recorded by Stanley........................................    (5,999,000)
                                                                                      ------------
Excess purchase price allocated to goodwill.........................................  $    325,000
                                                                                      ------------
                                                                                      ------------
</TABLE>
 
(9) Represents the recording of goodwill resulting from the Stanley purchase of
    100% of G&K calculated as follows:
 
<TABLE>
<S>                                                                                   <C>
Initial 51% purchase of G&K (consisting of borrowings of $3,656,000 and Stanley
  common stock of $1,589,000).......................................................  $  5,245,000
51% of cost basis of net assets of G&K at October 1, 1996...........................    (2,540,000)
                                                                                      ------------
Excess purchase price allocated to goodwill.........................................     2,705,000
                                                                                      ------------
Estimated purchase price of remaining 49% interest in G&K...........................     6,324,000
Minority interest in G&K recorded by Stanley........................................    (5,999,000)
                                                                                      ------------
Excess purchase price allocated to goodwill.........................................       325,000
                                                                                      ------------
Total excess purchase price allocated to goodwill...................................  $  3,030,000
                                                                                      ------------
                                                                                      ------------
</TABLE>
 
         The total purchase price of $11,569,000 consisted of $9,980,000 of
    borrowings and $1,589,000 of Stanley common stock.
 
(10) To eliminate the stockholders' equity of G&K.
 
                                       14
<PAGE>
COMPARISON OF NINE MONTHS ENDED MARCH 31, 1997 TO NINE MONTHS ENDED MARCH 31,
  1996
 
    On a pro forma combined basis, revenues of Stanley and G&K increased
$6,897,000, or 19.6%, to $42,021,000 for the nine months ended March 31, 1997,
as compared to $35,124,000 for the nine month period in the prior year,
consisting of an increase of $3,805,000 for Stanley and $3,092,000 for G&K. The
increase was primarily the result of strong demand for Stanley's drill and blast
services in Australia and G&K's mineral exploration services in Australia,
partially offset by a decrease in revenues from Stanley's operations in Ghana.
The decrease in revenues from Ghana was the result of the decision by one of
Stanley's largest customers to perform drilling services internally and
terminate certain of its contracts with Stanley.
 
    Depreciation on a pro forma combined basis increased $1,276,000, or 68.5%,
to $3,140,000 for the nine months ended March 31, 1997, as compared to
$1,864,000 for the same period in the prior year, consisting of an increase of
$1,143,000 for Stanley and $133,000 for G&K. The increase in depreciation for
Stanley was primarily the result of capital expenditures made in recent years in
connection with the expansion of operations in Africa.
 
    Income before taxes on a pro forma combined basis increased $664,000, or
16.5%, to $4,695,000 for the nine months ended March 31, 1997, compared to
$4,031,000 for the same period in the prior year, consisting of a decrease of
$1,647,000 for Stanley and an increase of $2,311,000 for G&K. The decrease in
income before taxes for Stanley was the result of reduced revenues in Ghana as
compared to the prior period caused by the terminated contracts combined with
increased maintenance and mobilization costs associated with Stanley's
re-deployment of rigs previously utilized in the performance of those contracts.
In addition, the decrease was the result of a higher proportion of total
revenues coming from lower margin drill and blast services in Australia and
higher depreciation expense as compared to the same period in the prior year.
The increase in income before taxes for G&K was primarily the result of
operational efficiencies arising from greater rig utilization and higher margins
resulting from increased prices as compared to the prior period.
 
    Net income on a pro forma combined basis increased $426,000, or 17.2%, to
$2,900,000 for the nine months ended March 31, 1997, as compared to $2,474,000
for the nine month period in the prior year, consisting of a decrease of
$1,064,000 for Stanley and an increase of $1,490,000 for G&K, as a result of the
factors discussed above.
 
                                       15
<PAGE>
                                USE OF PROCEEDS
 
    The net proceeds to the Company from the sale of the 2,006,565 shares of
Common Stock offered hereby are estimated to be $31,746,000 based upon an
offering price per share of $17 ($43,874,000 if the Underwriters' over-allotment
option is exercised in full) after deducting the underwriting discount and
estimated offering expenses. The Company anticipates that its net proceeds from
this offering will be used to repay a portion of the $52,516,000 in debt
(excluding the amount to be borrowed for the G&K Acquisition) incurred by the
Company under the New Credit Agreement in connection with the Stanley
Acquisition. As of August 13, 1997, the interest rate of such debt was 6.2625%
and the maturity date is July 25, 2002. See "The Stanley Acquisition,"
"Management's Discussion and Analysis of Financial Condition and Results of
Operations--Liquidity and Capital Resources" and "Unaudited Pro Forma
Consolidated Financial Statements."
 
    The Company will not receive any of the proceeds from the sale of Common
Stock by the Selling Stockholders.
 
                          PRICE RANGE OF COMMON STOCK
 
    The Common Stock is quoted on the Nasdaq National Market under the symbol
"LAYN." The table below sets forth the high and low closing prices of the Common
Stock on the Nasdaq National Market for the periods indicated, as reported by
the Nasdaq National Market:
 
<TABLE>
<CAPTION>
                                          HIGH        LOW
                                         -------    -------
<S>                                      <C>        <C>
FISCAL YEAR ENDING JANUARY 31, 1998:
  First Quarter......................... $17 3/4    $14 1/4
  Second Quarter........................  22 1/8     16
  Third Quarter (through August 13,
    1997)...............................  21         17 3/8
 
FISCAL YEAR ENDED JANUARY 31, 1997:
  First Quarter......................... $12        $10 1/4
  Second Quarter........................  13 1/8     11
  Third Quarter.........................  13 3/8     11
  Fourth Quarter........................  15 1/2     12 3/8
 
FISCAL YEAR ENDED JANUARY 31, 1996:
  First Quarter......................... $ 7 7/8    $ 6 1/4
  Second Quarter........................   8 1/8      7 1/8
  Third Quarter.........................   9 3/8      7 1/4
  Fourth Quarter........................  11 1/2      8 1/4
</TABLE>
 
    On August 13, 1997, the last reported sale price of the Common Stock as
quoted on the Nasdaq National Market was $17 3/8 per share. As of June 1, 1997,
the Company had 207 stockholders of record.
 
                                DIVIDEND POLICY
 
    The Company has not paid any cash dividends on its Common Stock since the
Company's initial public offering in August 1992. Moreover, the Board of
Directors of the Company does not anticipate paying any cash dividends in the
foreseeable future. The Company's future dividend policy will depend on a number
of factors including future earnings, capital requirements, financial condition
and prospects of the Company and such other factors as the Board of Directors
may deem relevant, as well as restrictions under the New Credit Agreement, the
Note Agreement between the Company and Massachusetts Mutual Life Insurance
Company, as amended, and other restrictions which may exist under other credit
arrangements existing from time to time. See "Management's Discussion and
Analysis of Financial Condition and Results of Operations--Liquidity and Capital
Resources" and Note 8 of the Notes to the Company's Consolidated Financial
Statements.
 
                                       16
<PAGE>
                                 CAPITALIZATION
 
    The following table sets forth (i) the historical consolidated short-term
debt and capitalization of the Company as of April 30, 1997, (ii) the pro forma
short-term debt and capitalization of the Company after giving effect to the
Stanley Acquisition and (iii) the pro forma short-term debt and capitalization
of the Company after giving effect to the Stanley Acquisition and the sale by
the Company of 2,006,565 shares of Common Stock offered by the Company hereby at
an offering price of $17 per share and the application of the estimated net
proceeds therefrom. This table should be read in conjunction with the Company's
and Stanley's Consolidated Financial Statements and Notes thereto, G&K's
Financial Statements and Notes thereto and the "Unaudited Pro Forma Consolidated
Financial Statements" and Notes thereto included elsewhere in this Prospectus.
See "Use of Proceeds."
<TABLE>
<CAPTION>
                                                                                    APRIL 30, 1997
                                                                    -----------------------------------------------
<S>                                                                 <C>          <C>                <C>
                                                                                                     PRO FORMA FOR
                                                                                                        STANLEY
                                                                                   PRO FORMA FOR      ACQUISITION
                                                                                      STANLEY           AND THE
                                                                    HISTORICAL      ACQUISITION        OFFERING
                                                                    -----------  -----------------  ---------------
 
<CAPTION>
                                                                           (IN THOUSANDS, EXCEPT SHARE DATA)
<S>                                                                 <C>          <C>                <C>
Short-term debt:
  Mortgage loan...................................................   $     117       $     117         $     117
  Stanley debt....................................................      --               1,273             1,273
                                                                    -----------       --------      ---------------
    Total short-term debt.........................................   $     117       $   1,390         $   1,390
                                                                    -----------       --------      ---------------
                                                                    -----------       --------      ---------------
 
Long-term debt:
  Credit facility(1)..............................................   $   9,500       $  --             $  --
  New Credit Agreement(2)(3)(4)...................................      --              66,840            35,094
  6.75% Senior Notes due 2006(1)..................................      25,000          25,000            25,000
  Mortgage loan(1)................................................       1,283           1,283             1,283
  Stanley debt....................................................      --                 998               998
                                                                    -----------       --------      ---------------
    Total long-term debt..........................................      35,783          94,121            62,375
 
Stockholders' equity:
  Preferred Stock (par value $0.01 per share), 5,000,000 shares
    authorized; no shares outstanding historical or pro forma ....      --              --                --
  Common Stock (par value $0.01 per share), 30,000,000 shares
    authorized; 8,874,991 shares issued historical; 8,943,957
    shares issued pro forma for the Stanley Acquisition; and
    10,950,522 shares issued pro forma for the Stanley Acquisition
    and the offering(3)(4)(5).....................................          89              90               110
Additional paid-in capital(3)(4)..................................      39,407          40,906            72,632
Retained earnings.................................................      25,870          25,870            25,870
Other.............................................................        (866)           (866)             (866)
                                                                    -----------       --------      ---------------
    Total stockholders' equity....................................      64,500          66,000            97,746
                                                                    -----------       --------      ---------------
    Total capitalization..........................................   $ 100,283       $ 160,121         $ 160,121
                                                                    -----------       --------      ---------------
                                                                    -----------       --------      ---------------
</TABLE>
 
- ------------------------
 
(1) See Note 8 to the Company's Consolidated Financial Statements and
    "Management's Discussion and Analysis of Financial Condition and Results of
    Operations--Liquidity and Capital Resources" for further information.
 
(2) See "Use of Proceeds," "Management's Discussion and Analysis of Financial
    Condition and Results of Operations--Liquidity and Capital Resources" and
    "Unaudited Pro Forma Consolidated Financial Statements."
 
(3) Reflects $1,500,000 in proceeds from the purchase of 68,966 shares of Common
    Stock (at a price per share of $21.75) by Mr. Stanley, anticipated to be
    used to repay indebtedness under the New Credit Agreement.
 
(4) Reflects the sale of 2,006,565 shares of Common Stock offered by the Company
    hereby at an offering price of $17 per share. The estimated net proceeds of
    $31,746,000 are anticipated to be used to repay indebtedness under the New
    Credit Agreement.
 
(5) Does not include (i) options to purchase 657,642 shares of Common Stock that
    were outstanding under the Company's stock option plans as of April 30,
    1997, of which 440,345 were exercisable immediately or within 60 days of
    such date or (ii) options to purchase 206,897 shares of Common Stock granted
    to Mr. Stanley in connection with the Stanley Acquisition.
 
                                       17
<PAGE>
                      SELECTED CONSOLIDATED FINANCIAL DATA
                     (IN THOUSANDS, EXCEPT PER SHARE DATA)
 
    The following table presents (i) historical income statement data of the
Company for the three months ended April 30, 1997 and 1996, the fiscal years
ended January 31, 1997, 1996 and 1995, the twelve months ended January 31, 1994
and the fiscal year ended April 30, 1993 and (ii) historical balance sheet data
of the Company as of April 30, 1997, January 31, 1997, 1996, 1995 and 1994 and
April 30, 1993. The historical financial data for fiscal years ended January 31,
1997, 1996, and 1995 and April 30, 1993 have been derived from the Company's
audited consolidated financial statements. Such consolidated financial
statements were audited by Deloitte & Touche LLP, independent auditors, whose
report thereon appears elsewhere herein. Financial information as of April 30,
1997 and for the three months ended April 30, 1997 and 1996 has been derived
from unaudited consolidated financial statements. The Company changed its fiscal
year end to January 31 from April 30 during 1994; therefore, the consolidated
income statement data for the twelve months ended January 31, 1994 was derived
from unaudited consolidated financial statements. The unaudited consolidated
financial statements referred to above, in the opinion of management, include
all adjustments (consisting only of normal recurring adjustments) necessary for
a fair presentation of such information. Results for the three months ended
April 30, 1997 may not be indicative of the results expected for the fiscal year
ending January 31, 1998. In December 1995, the Company completed a merger with
CBC which has been accounted for under the purchase method of accounting (see
Note 2 of the Notes to the Company's Consolidated Financial Statements) and,
accordingly, the Company's consolidated results include the operations of CBC
from the date of acquisition. The information below should be read in
conjunction with "Management's Discussion and Analysis of Financial Condition
and Results of Operations" and the Company's Consolidated Financial Statements
and Notes thereto included elsewhere in this Prospectus.
<TABLE>
<CAPTION>
                                                           THREE MONTHS ENDED          FISCAL YEAR ENDED         TWELVE MONTHS
                                                               APRIL 30,                  JANUARY 31,            ENDED JANUARY
                                                          --------------------  -------------------------------       31,
                                                            1997       1996       1997       1996       1995          1994
                                                          ---------  ---------  ---------  ---------  ---------  --------------
<S>                                                       <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Revenues................................................  $  57,750  $  53,773  $ 222,853  $ 167,271  $ 166,830    $  169,766
Cost of revenues (exclusive of depreciation shown
  below)................................................     42,145     39,703    161,602    122,078    123,814       130,004
                                                          ---------  ---------  ---------  ---------  ---------  --------------
Gross profit............................................     15,605     14,070     61,251     45,193     43,016        39,762
Selling, general and administrative expenses............     10,327      9,737     38,956     28,260     28,860        31,985
Depreciation............................................      2,832      2,841     10,974      8,233      7,811         8,737
Restructuring charge(1).................................         --         --         --         --         --        12,000
                                                          ---------  ---------  ---------  ---------  ---------  --------------
Operating income (loss).................................      2,446      1,492     11,321      8,700      6,345       (12,960)
Other income (expense):
Equity in earnings of foreign affiliates................        820      1,102      3,895         --         --            --
Interest................................................       (614)      (679)    (2,447)      (767)      (779)       (2,048)
Other, net..............................................         62         90        161        407        (84)         (198)
                                                          ---------  ---------  ---------  ---------  ---------  --------------
Income (loss) before income taxes.......................      2,714      2,005     12,930      8,340      5,482       (15,206)
Income tax (benefit) expense............................      1,031        902      4,913      3,753      2,522        (5,736)
                                                          ---------  ---------  ---------  ---------  ---------  --------------
Net income (loss).......................................  $   1,683  $   1,103  $   8,017  $   4,587  $   2,960    $   (9,470)
                                                          ---------  ---------  ---------  ---------  ---------  --------------
                                                          ---------  ---------  ---------  ---------  ---------  --------------
Net income (loss) per common and dilutive equivalent
  share.................................................  $    0.18  $    0.12  $    0.88  $    0.61  $    0.40    $    (1.31)
                                                          ---------  ---------  ---------  ---------  ---------  --------------
                                                          ---------  ---------  ---------  ---------  ---------  --------------
 
<CAPTION>
 
                                                          FISCAL YEAR
                                                          ENDED APRIL
                                                              30,
                                                             1993
                                                          -----------
<S>                                                       <C>
INCOME STATEMENT DATA:
Revenues................................................   $ 168,688
Cost of revenues (exclusive of depreciation shown
  below)................................................     124,624
                                                          -----------
Gross profit............................................      44,064
Selling, general and administrative expenses............      30,595
Depreciation............................................       8,203
Restructuring charge(1).................................          --
                                                          -----------
Operating income (loss).................................       5,266
Other income (expense):
Equity in earnings of foreign affiliates................          --
Interest................................................      (2,012)
Other, net..............................................         (55)
                                                          -----------
Income (loss) before income taxes.......................       3,199
Income tax (benefit) expense............................       1,407
                                                          -----------
Net income (loss).......................................   $   1,792
                                                          -----------
                                                          -----------
Net income (loss) per common and dilutive equivalent
  share.................................................   $    0.28
                                                          -----------
                                                          -----------
</TABLE>
<TABLE>
<CAPTION>
                                                                                                      JANUARY 31,
                                                                           APRIL 30,   ------------------------------------------
                                                                             1997        1997       1996       1995       1994
                                                                          -----------  ---------  ---------  ---------  ---------
<S>                                                                       <C>          <C>        <C>        <C>        <C>
BALANCE SHEET DATA:
Working capital.........................................................   $  37,572   $  29,643  $  26,796  $  13,578  $  29,545
Total assets............................................................     152,841     143,650    134,177     79,094     90,250
Long-term debt..........................................................      35,783      30,314     28,428         --     18,900
Total stockholders' equity..............................................      64,500      62,664     53,972     40,273     37,348
 
<CAPTION>
 
                                                                           APRIL 30,
                                                                             1993
                                                                          -----------
<S>                                                                       <C>
BALANCE SHEET DATA:
Working capital.........................................................   $  32,401
Total assets............................................................     101,448
Long-term debt..........................................................      22,000
Total stockholders' equity..............................................      45,984
</TABLE>
 
- ------------------------
 
(1) During the twelve months ended January 31, 1994, the Company adopted a plan
    to close certain locations and rightsize certain others that, in
    management's opinion, would allow the Company to shift strategically to
    areas that were more consistent with the Company's long-range objectives for
    growth and return on investment. The Company-wide restructuring was a result
    of the decision to move aggressively away from low end marginal services
    across all product lines.
 
                                       18
<PAGE>
             UNAUDITED PRO FORMA CONSOLIDATED FINANCIAL STATEMENTS
 
    The following sets forth the Unaudited Pro Forma Consolidated Statements of
Income for the three months ended April 30, 1997 and the fiscal year ended
January 31, 1997 and the Unaudited Pro Forma Consolidated Balance Sheet as of
April 30, 1997 which were prepared to reflect the Stanley Acquisition under the
purchase method of accounting and the offering. The fiscal year end of both
Stanley and G&K is June 30. The columns designated "Pro Forma for G&K
Acquisition" adjust the historical consolidated financial statements of Stanley
to reflect the G&K Acquisition as if it had occurred on February 1, 1996 (in the
case of the Unaudited Pro Forma Consolidated Statements of Income) and on April
30, 1997 (in the case of the Unaudited Pro Forma Consolidated Balance Sheet).
The columns designated "Pro Forma for Stanley Acquisition" adjust the historical
consolidated financial statements of the Company to reflect the Stanley
Acquisition as if it had occurred on February 1, 1996 (in the case of the
Unaudited Pro Forma Consolidated Statements of Income) and on April 30, 1997 (in
the case of the Unaudited Pro Forma Consolidated Balance Sheet). The columns
designated "Pro Forma for Stanley Acquisition and the Offering" include the
effect of the offering as if it had occurred on February 1, 1996 (in the case of
the Unaudited Pro Forma Consolidated Statements of Income) and on April 30, 1997
(in the case of the Unaudited Pro Forma Consolidated Balance Sheet). The tender
offer was consummated on July 25, 1997. G&K's repurchase of the remaining 49% of
its common stock is expected to be completed by September 30, 1997.
 
    The Unaudited Pro Forma Consolidated Financial Statements of the Company do
not purport to present the financial position or results of operations of the
Company had the transactions assumed herein occurred on the dates indicated, nor
are they necessarily indicative of the results of operations which may be
expected to occur in the future.
 
    The Unaudited Pro Forma Consolidated Financial Statements are based upon,
and should be read in conjunction with, the Consolidated Financial Statements of
the Company and Stanley and Notes thereto, as well as the Financial Statements
and Notes thereto of G&K, included elsewhere in this Prospectus. The Stanley and
G&K financial information is derived from unaudited financial statements and
notes thereto (including US GAAP reconciliation adjustments) provided to the
Company. The Company cannot predict whether the consummation of the Stanley
Acquisition or the offering will conform to the assumptions used in the
preparation of the Unaudited Pro Forma Consolidated Financial Statements. In
addition, management has made a preliminary allocation of purchase price to the
assets and liabilities of Stanley and G&K, based on information currently
available. Management intends to obtain appraisals and other information which
will be used to complete the ultimate allocation of the purchase price. The
final allocation of the purchase price may be substantially different than the
preliminary allocation.
 
    For purposes of the Unaudited Pro Forma Consolidated Financial Statements
only, the terms "Stanley Acquisition" and "G&K Acquisition" include Stanley's
initial purchase of 51% of the outstanding capital stock of G&K.
 
                                       19
<PAGE>
              UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF INCOME
                       THREE MONTHS ENDED APRIL 30, 1997
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<TABLE>
<CAPTION>
                                                                             PRO FORMA FOR STANLEY ACQUISITION
                                                                 ---------------------------------------------------------
                                                                     PRO FORMA FOR G&K
                     LAYNE                                              ACQUISITION
                  CHRISTENSEN       STANLEY           G&K        --------------------------
                 HISTORICAL(1)   HISTORICAL(2)   HISTORICAL(2)   ADJUSTMENTS      PRO FORMA   ADJUSTMENTS        PRO FORMA
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
<S>              <C>             <C>             <C>             <C>              <C>         <C>                <C>
Service and
  product
  revenues.....    $  57,750        $13,618         $ 5,137      $   (5,137)(3)    $13,618                       $ 71,368
Other
  revenues.....                       1,673             (16)             16(3)       1,673     $ (1,673)(7)
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Total
  revenues.....       57,750         15,291           5,121          (5,121)        15,291       (1,673)           71,368
Cost of
  revenues.....       42,145                                                                      9,780(7)         51,925
Operating
  costs........                      12,665           4,083          (4,083)(3)     12,665      (12,665)(7)
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Gross profit...       15,605          2,626           1,038          (1,038)         2,626        1,212            19,443
Selling,
  general and
 administrative
  expenses.....       10,327                                                                       (100)(8)        11,513
                                                                                                     91(9)
                                                                                                  1,195(7)
Amortization
  expense......                                                           3(4)           3          249(4)            282
                                                                                                     30(10)
Depreciation...        2,832          1,123             195            (195)(3)      1,123                          3,955
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Operating
  income.......        2,446          1,503             843            (846)         1,500         (253)            3,693
Other
income(expense):
  Equity in
    earnings of
    foreign
  affiliates...          820                                                                                          820
  Interest.....         (614)           (89)             (4)              4(3)        (208)        (957)(11)       (1,779)
                                                                       (119)(5)
  Other income,
    net........           62             (3)            392            (392)(3)         (3)         (17)(7)            42
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Income before
  income
  taxes........        2,714          1,411           1,231          (1,353)         1,289       (1,227)            2,776
Income tax
  expense......        1,031            662             448            (448)(3)        616         (466)(6)         1,181
                                                                        (46)(6)
Minority
  interest.....                         595                            (595)(3)
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Net income.....    $   1,683        $   154         $   783      $     (264)       $   673     $   (761)         $  1,595
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
                 -------------   -------------   -------------   -----------      ---------   -----------        ---------
Net income per
  common
  and dilutive
  equivalent
  share........    $    0.18                                                                                     $   0.17
                 -------------                                                                                   ---------
                 -------------                                                                                   ---------
Weighted
  average
  number of
  common and
  dilutive
  equivalent
  shares
 outstanding...    9,234,000                                                                    118,907(12)      9,352,907
                 -------------                                                                                   ---------
                 -------------                                                                                   ---------
 
<CAPTION>
 
                     PRO FORMA FOR STANLEY
                 ACQUISITION AND THE OFFERING
                 -----------------------------
                 ADJUSTMENTS        PRO FORMA
                 -----------        ----------
<S>              <C>  <C>           <C>
Service and
  product
  revenues.....                     $   71,368
Other
  revenues.....
                 -----------        ----------
Total
  revenues.....                         71,368
Cost of
  revenues.....                         51,925
Operating
  costs........
                 -----------        ----------
Gross profit...                         19,443
Selling,
  general and
 
 administrative
  expenses.....                         11,513
 
Amortization
  expense......                            282
 
Depreciation...                          3,955
                 -----------        ----------
Operating
  income.......                          3,693
Other
income(expense)
  Equity in
    earnings of
    foreign
  affiliates...                            820
  Interest.....  $      595(13)         (1,184)
 
  Other income,
    net........                             42
                 -----------        ----------
Income before
  income
  taxes........         595              3,371
Income tax
  expense......         226(6)           1,407
 
Minority
  interest.....
                 -----------        ----------
Net income.....  $      369         $    1,964
                 -----------        ----------
                 -----------        ----------
Net income per
  common
  and dilutive
  equivalent
  share........                     $     0.17
                                    ----------
                                    ----------
Weighted
  average
  number of
  common and
  dilutive
  equivalent
  shares
 outstanding...   2,006,565(14)     11,359,472
                                    ----------
                                    ----------
</TABLE>
 
       See Notes to Unaudited Pro Forma Consolidated Statement of Income
 
                                       20
<PAGE>
         NOTES TO UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF INCOME
                       THREE MONTHS ENDED APRIL 30, 1997
 
 (1) The column designated "Layne Christensen Historical" reflects the
    consolidated results of operations of the Company for the three months ended
    April 30, 1997.
 
 (2) The column designated "Stanley Historical" reflects the results of
    operations of Stanley for the three months ended March 31, 1997 (in US GAAP)
    including the results of operations of G&K for the three months ended March
    31, 1997. The column designated "G&K Historical" reflects the results of
    operations of G&K for the three months ended March 31, 1997 (in US GAAP).
    The Unaudited Pro Forma Consolidated Statement of Income assumes a
    conversion rate of $.7802 representing the average monthly conversion rate
    for the three months ended March 31, 1997.
 
 (3) Represents the elimination of the operating results of G&K for the three
    months ended March 31, 1997 (already included in Stanley's historical
    results of operations), and related minority interest.
 
 (4) Represents three months of amortization of goodwill based on a period of 25
    years. See Notes 3 and 4 to the Unaudited Pro Forma Consolidated Balance
    Sheet.
 
 (5) Represents three months of interest expense at an assumed rate of 7.5%
    (which represents an estimate of the variable rate under the New Credit
    Agreement) on net borrowings of $6,324,000 undertaken for G&K's obligation
    to repurchase the remaining 49% of the outstanding capital stock of G&K.
 
 (6) Tax effect at an assumed statutory rate of 38% on income before income
    taxes.
 
 (7) Represents a reclassification of Stanley and G&K revenues and expenses to
    conform with the Company's classifications for financial reporting purposes.
    Gross profit in the Stanley Historical and G&K Historical columns would not
    be reflective of gross profit determined under US GAAP as neither Stanley
    nor G&K classifies cost of revenues separately from operating costs.
    Management has used an Australian GAAP to US GAAP reconciliation as provided
    in unaudited historical financial statements of Stanley and G&K and other
    information to determine reclassifications and assumed selling, general and
    administrative expenses for Stanley and G&K to be approximately 10% of
    service revenues prior to Australian GAAP to US GAAP adjustments.
 
 (8) Represents cost reductions identified as a result of the Stanley
    Acquisition, including the elimination of directors' fees, Australian public
    filing fees and expenses and printing costs resulting from Stanley no longer
    being publicly traded in Australia.
 
 (9) Represents compensation expense associated with options granted to Mr.
    Stanley under his employment agreement. The expense is based upon (i) an
    exercise price of $16.50 per share, (ii) the closing price of $21.75 for the
    Common Stock on June 25, 1997 (the effective date of the option grant) and
    (iii) the issuance of options (with a three year vesting period) to purchase
    206,897 shares of Common Stock.
 
(10) Represents three months of amortization of deferred financing costs related
    to the New Credit Agreement based on a period of five years.
 
(11) Represents three months of interest expense at an assumed interest rate of
    7.5% (which represents an estimate of the variable rate on the New Credit
    Agreement) on net borrowings undertaken for the Stanley tender offer and the
    repayment of borrowings from the proceeds of the issuance of Common Stock to
    Mr. Stanley as follows:
 
<TABLE>
<S>                                                                                                       <C>
Interest expense on borrowings of $52,516,000 for the tender offer......................................  ($ 985,000)
Reduction in interest expense attributed to receipt of proceeds from purchase of Common Stock
  ($1,500,000) by Mr. Stanley...........................................................................      28,000
                                                                                                          ----------
Pro forma adjustment to interest expense................................................................  ($ 957,000)
                                                                                                          ----------
                                                                                                          ----------
</TABLE>
 
(12) Reflects the number of shares of Common Stock purchased by Mr. Stanley
    (68,966) in connection with the Stanley Acquisition as if such shares were
    outstanding for the entire period and options to purchase 206,897 shares of
    Common Stock granted to Mr. Stanley, as calculated under the treasury stock
    method.
 
(13) Represents the reduction in interest expense attributable to the
    application of the estimated net proceeds from the sale of 2,006,565 shares
    of Common Stock offered by the Company hereby of $31,746,000 (based on an
    offering price of $17 per share and the underwriting discount and estimated
    expenses totalling $2,365,000) to repay borrowings under the New Credit
    Agreement at an assumed interest rate of 7.5%.
 
(14) Reflects the number of shares of Common Stock to be issued by the Company
    in connection with the offering as if such shares were outstanding for the
    entire period.
 
                                       21
<PAGE>
              UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF INCOME
                          YEAR ENDED JANUARY 31, 1997
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<TABLE>
<CAPTION>
                                                                                          PRO FORMA FOR STANLEY ACQUISITION
                                                                                  --------------------------------------------------
                                                                                     PRO FORMA FOR G&K
                                      LAYNE                                             ACQUISITION
                                   CHRISTENSEN       STANLEY           G&K        -----------------------
                                  HISTORICAL(1)   HISTORICAL(2)   HISTORICAL(2)   ADJUSTMENTS   PRO FORMA   ADJUSTMENTS    PRO FORMA
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
<S>                               <C>             <C>             <C>             <C>           <C>         <C>            <C>
Service and product revenues....    $ 222,853        $41,013         $19,494      $(5,290)(3)    $55,217                   $278,070
Other revenues..................                       1,977           1,348                       3,325    $(3,325)(7)
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Total revenues..................      222,853         42,990          20,842       (5,290)        58,542     (3,325)        278,070
Cost of revenues................      161,602                                                                39,329(7)      200,931
Operating costs.................                      35,528          16,333       (3,779)(3)     48,082    (48,082)(7)
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Gross profit....................       61,251          7,462           4,509       (1,511)        10,460      5,428          77,139
Selling, general and
  administrative expenses.......       38,956                                                                  (400)(8)      44,708
                                                                                                                362(9)
                                                                                                              5,790(7)
Amortization expense............                                                       94(4)          94        997(10)       1,211
                                                                                                                120(11)
Depreciation....................       10,974          3,130             609         (353)(3)      3,386                     14,360
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Operating income................       11,321          4,332           3,900       (1,252)         6,980     (1,441)         16,860
Other income(expense):
  Equity in earnings of
    foreign affiliates..........        3,895                                                                                 3,895
  Interest......................       (2,447)          (304)           (140)          22(3)      (1,102)    (3,826)(12)     (7,375)
                                                                                     (680)(5)
  Other income, net.............          161                           (446)                       (446)       362(7)           77
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Income before income taxes......       12,930          4,028           3,314       (1,910)         5,432     (4,905)         13,457
Income tax expense..............        4,913          1,499           1,158         (413)(3)      1,950     (1,864)(6)       4,999
                                                                                     (294)(6)
Minority interest...............                         356                         (356)(3)
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Net income......................    $   8,017        $ 2,173         $ 2,156      $  (847)       $ 3,482    $(3,041)       $  8,458
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
                                  -------------   -------------   -------------   -----------   ---------   ------------   ---------
Net income per common
  and dilutive equivalent
  share.........................    $    0.88                                                                              $   0.91
                                  -------------                                                                            ---------
                                  -------------                                                                            ---------
Weighted average number of
  common and dilutive equivalent
  shares outstanding............    9,146,000                                                               118,907(13)    9,264,907
                                  -------------                                                                            ---------
                                  -------------                                                                            ---------
 
<CAPTION>
 
                                    PRO FORMA FOR STANLEY
                                     ACQUISITION AND THE
                                           OFFERING
                                  --------------------------
                                   ADJUSTMENTS    PRO FORMA
                                  -------------   ----------
<S>                               <C>             <C>
Service and product revenues....                  $  278,070
Other revenues..................
                                  -------------   ----------
Total revenues..................                     278,070
Cost of revenues................                     200,931
Operating costs.................
                                  -------------   ----------
Gross profit....................                      77,139
Selling, general and
  administrative expenses.......                      44,708
 
Amortization expense............                       1,211
 
Depreciation....................                      14,360
                                  -------------   ----------
Operating income................                      16,860
Other income(expense):
  Equity in earnings of
    foreign affiliates..........                       3,895
  Interest......................  $   2,381(14)       (4,994)
 
  Other income, net.............                          77
                                  -------------   ----------
Income before income taxes......      2,381           15,838
Income tax expense..............        905(6)         5,904
 
Minority interest...............
                                  -------------   ----------
Net income......................  $   1,476       $    9,934
                                  -------------   ----------
                                  -------------   ----------
Net income per common
  and dilutive equivalent
  share.........................                  $     0.88
                                                  ----------
                                                  ----------
Weighted average number of
  common and dilutive equivalent
  shares outstanding............  2,006,565(15)   11,271,472
                                                  ----------
                                                  ----------
</TABLE>
 
       See Notes to Unaudited Pro Forma Consolidated Statement of Income
 
                                       22
<PAGE>
         NOTES TO UNAUDITED PRO FORMA CONSOLIDATED STATEMENT OF INCOME
                          YEAR ENDED JANUARY 31, 1997
 
 (1) The column designated "Layne Christensen Historical" reflects the
    consolidated results of operations of the Company for the fiscal year ended
    January 31, 1997.
 
 (2) The column designated "Stanley Historical" reflects the results of
    operations of Stanley for the twelve months ended December 31, 1996 (in US
    GAAP) including the results of operations of G&K for the three months ended
    December 31, 1996. The column designated "G&K Historical" reflects the
    results of operations of G&K for the twelve months ended December 31, 1996
    (in US GAAP). The Unaudited Pro Forma Consolidated Statement of Income
    assumes a conversion rate of $.7806 representing the average monthly
    conversion rate for the year ended December 31, 1996.
 
 (3) Represents the elimination of the operating results of G&K for the three
    months ended December 31, 1996 (already included in Stanley's historical
    results of operations), and related minority interest.
 
 (4) Represents amortization of goodwill associated with the acquisition of G&K
    by Stanley based on a period of 25 years. The goodwill consists of:
 
<TABLE>
<S>                                                                                  <C>
Initial 51% purchase of G&K by Stanley.............................................  $   5,245,000
51% of the cost basis of net assets of G&K at October 1, 1996......................     (2,540,000)
                                                                                     -------------
Excess purchase price allocated to goodwill........................................      2,705,000
                                                                                     -------------
Estimated purchase price of the 49% minority interest of G&K.......................      6,324,000
Minority interest in G&K recorded by Stanley as of March 31, 1997..................     (5,999,000)
                                                                                     -------------
Excess purchase price allocated to goodwill........................................        325,000
                                                                                     -------------
Total excess purchase price allocated to goodwill..................................  $   3,030,000
                                                                                     -------------
                                                                                     -------------
</TABLE>
 
     The adjustment to amortization expense represents the amortization of
     the $2,705,000 of goodwill related to the initial purchase of 51% of
     G&K for the period from January 1, 1996 through September 30, 1996
     (the period prior to the effective date of the purchase) and the
     amortization of $325,000 of goodwill related to the purchase of the
     remaining 49% of G&K for the entire year.
 
(5) Represents interest expense at an assumed rate of 7.5% (which represents an
    estimate of the variable rate under the New Credit Agreement) on net
    borrowings undertaken for G&K's obligation to repurchase the remaining 49%
    of the outstanding capital stock of G&K and interest for the period from
    January 1, 1996 through September 30, 1996 related to Stanley's initial
    acquisition of 51% of G&K:
 
<TABLE>
<S>                                                                                     <C>
Interest expense on borrowings of $6,324,000 for the 49% minority interest in G&K.....  $ (474,000)
Interest expense on borrowings of $3,656,000 relating to Stanley's initial acquisition
  of 51% of G&K.......................................................................    (206,000)
                                                                                        ----------
Adjustment to interest expense........................................................  $ (680,000)
                                                                                        ----------
                                                                                        ----------
</TABLE>
 
 (6) Tax effect at an assumed statutory rate of 38% on income before taxes.
 
 (7) Represents a reclassification of Stanley and G&K revenues and expenses to
    conform with the Company's classifications for financial reporting purposes.
    Gross profit in the Stanley Historical and G&K Historical columns would not
    be reflective of gross profit determined under US GAAP as neither Stanley
    nor G&K classifies cost of revenues separately from operating costs.
    Management has used an Australian GAAP to US GAAP reconciliation as provided
    in unaudited historical financial statements of Stanley and G&K and other
    information to determine reclassifications and assumed selling, general and
    administrative expenses for Stanley and G&K to be approximately 10% of
    service revenues prior to Australian GAAP to US GAAP adjustments.
 
 (8) Represents cost reductions identified as a result of the Stanley
    Acquisition, including the elimination of directors' fees, Australian public
    filing fees and expenses and printing costs resulting from Stanley no longer
    being publicly traded in Australia.
 
 (9) Represents compensation expense associated with options granted to Mr.
    Stanley under his employment agreement. The expense is based upon (i) an
    exercise price of $16.50 per share, (ii) the closing price of $21.75 for the
    Common Stock on June 25, 1997 (the effective date of the option grant) and
    (iii) the issuance of options (with a three year vesting period) to purchase
    206,897 shares of Common Stock.
 
                                       23
<PAGE>
(10) Represents amortization of goodwill based on a period of 25 years. See Note
    4 to the Unaudited Pro Forma Consolidated Balance Sheet.
 
(11) Represents amortization of deferred financing costs related to the New
    Credit Agreement based on a period of five years.
 
(12) Represents interest expense on net borrowings at an assumed interest rate
    of 7.5% (which represents an estimate of the variable rate under the New
    Credit Agreement) undertaken for the Stanley tender offer and the repayment
    of borrowings from the proceeds of the issuance of Common Stock to Mr.
    Stanley as follows:
 
<TABLE>
<S>                                                                                  <C>
Interest expense on borrowings of $52,516,000 for the tender offer.................  $  (3,939,000)
Reduction in interest expense attributed to receipt of proceeds from purchase of
 Common Stock ($1,500,000) by Mr. Stanley..........................................        113,000
                                                                                     -------------
Pro forma adjustment to interest expense...........................................  $  (3,826,000)
                                                                                     -------------
                                                                                     -------------
</TABLE>
 
(13) Reflects the number of shares of Common Stock purchased by Mr. Stanley
    (68,966) in connection with the Stanley Acquisition as if such shares were
    outstanding for the entire year and options to purchase 206,897 shares of
    Common Stock granted to Mr. Stanley, as calculated under the treasury stock
    method.
 
(14) Represents the reduction in interest expense attributable to the
    application of the estimated net proceeds from the sale of 2,006,565 shares
    of Common Stock offered by the Company hereby of $31,746,000 (based on an
    offering price of $17 per share and the underwriting discount and estimated
    expenses totalling $2,365,000) to repay borrowings under the New Credit
    Agreement at an assumed interest rate of 7.5%.
 
(15) Reflects the number of shares of Common Stock to be issued by the Company
    in connection with the offering as if such shares were outstanding for the
    entire year.
 
                                       24
<PAGE>
      UNAUDITED PRO FORMA CONSOLIDATED BALANCE SHEET AS OF APRIL 30, 1997
                                 (IN THOUSANDS)
<TABLE>
<CAPTION>
                                                                       PRO FORMA FOR STANLEY
                                                                            ACQUISITION
                                                     ---------------------------------------------------------
                                                          PRO FORMA FOR G&K
                       LAYNE                                 ACQUISITION
                    CHRISTENSEN        STANLEY       ---------------------------
                   HISTORICAL (1)   HISTORICAL (2)   ADJUSTMENTS       PRO FORMA   ADJUSTMENTS       PRO FORMA
                   --------------   --------------   -----------       ---------   -----------       ---------
<S>                <C>              <C>              <C>               <C>         <C>               <C>
ASSETS:
Cash and cash
  equivalents....     $  1,218         $ 3,594                         $  3,594                      $  4,812
Customer
  receivables,
  net............       50,734          11,167                           11,167                        61,901
Inventories......       19,024           6,354                            6,354                        25,378
Other current
  assets.........        7,698             657                              657                         8,355
                   --------------      -------       -----------       ---------   -----------       ---------
  Total current
    assets.......       78,674          21,772                           21,772                       100,446
                   --------------      -------       -----------       ---------   -----------       ---------
Property and
  equipment,
  net............       54,398          21,962                           21,962                        76,360
Intangible
  assets.........          553                        $     325(3)          325        24,924(4)       25,802
Investments in
  foreign
  affiliates.....       17,660             428                              428                        18,088
Other assets.....        1,556           1,162                            1,162           600(5)        3,318
                   --------------      -------       -----------       ---------   -----------       ---------
                      $152,841         $45,324        $     325        $ 45,649     $  25,524        $224,014
                   --------------      -------       -----------       ---------   -----------       ---------
                   --------------      -------       -----------       ---------   -----------       ---------
 
LIABILITIES AND
  STOCKHOLDERS'
  EQUITY:
Accounts
  payable........     $ 12,614         $ 4,401                         $  4,401                      $ 17,015
Accrued
  liabilities....       28,371           1,996                            1,996                        30,367
Current
  maturities of
  long-term
  debt...........          117           1,273                            1,273                         1,390
                   --------------      -------       -----------       ---------   -----------       ---------
  Total current
   liabilities...       41,102           7,670                            7,670                        48,772
                   --------------      -------       -----------       ---------   -----------       ---------
Long-term debt...       35,783             998        $   6,324(3)        7,322     $  52,516(6)       94,121
                                                                                       (1,500)(7)
Other noncurrent
  liabilities....       11,456           3,665                            3,665                        15,121
Minority
  interests......                        5,999           (5,999)(3)
                   --------------      -------       -----------       ---------   -----------       ---------
  Total
   liabilities...       88,341          18,332              325          18,657        51,016         158,014
                   --------------      -------       -----------       ---------   -----------       ---------
Common stock.....           89          11,039                           11,039       (11,039)(4)          90
                                                                                            1(7)
Capital in excess
  of par value...       39,407          10,798                           10,798       (10,798)(4)      40,906
                                                                                        1,499(7)
Retained
  earnings.......       25,870           5,155                            5,155        (5,155)(4)      25,870
Other............         (866)                                                                          (866)
                   --------------      -------       -----------       ---------   -----------       ---------
  Total
    stockholders'
    equity.......       64,500          26,992                           26,992       (25,492)         66,000
                   --------------      -------       -----------       ---------   -----------       ---------
                      $152,841         $45,324        $     325        $ 45,649     $  25,524        $224,014
                   --------------      -------       -----------       ---------   -----------       ---------
                   --------------      -------       -----------       ---------   -----------       ---------
 
<CAPTION>
 
                         PRO FORMA FOR STANLEY
                     ACQUISITION AND THE OFFERING
 
                   ---------------------------------
                     ADJUSTMENTS          PRO FORMA
                   ---------------       -----------
<S>                <C> <C>               <C>
ASSETS:
Cash and cash
  equivalents....                          $  4,812
Customer
  receivables,
  net............                            61,901
Inventories......                            25,378
Other current
  assets.........                             8,355
                   ---------------       -----------
  Total current
    assets.......                           100,446
                   ---------------       -----------
Property and
  equipment,
  net............                            76,360
Intangible
  assets.........                            25,802
Investments in
  foreign
  affiliates.....                            18,088
Other assets.....                             3,318
                   ---------------       -----------
                                           $224,014
                   ---------------       -----------
                   ---------------       -----------
LIABILITIES AND
  STOCKHOLDERS'
  EQUITY:
Accounts
  payable........                          $ 17,015
Accrued
  liabilities....                            30,367
Current
  maturities of
  long-term
  debt...........                             1,390
                   ---------------       -----------
  Total current
   liabilities...                            48,772
                   ---------------       -----------
Long-term debt...   $ (31,746)(8)            62,375
 
Other noncurrent
  liabilities....                            15,121
Minority
  interests......
                   ---------------       -----------
  Total
   liabilities...     (31,746)              126,268
                   ---------------       -----------
Common stock.....          20(8)                110
 
Capital in excess
  of par value...      31,726(8)             72,632
 
Retained
  earnings.......                            25,870
Other............                              (866)
                   ---------------       -----------
  Total
    stockholders'
    equity.......      31,746                97,746
                   ---------------       -----------
                                           $224,014
                   ---------------       -----------
                   ---------------       -----------
</TABLE>
 
          See Notes to Unaudited Pro Forma Consolidated Balance Sheet
 
                                       25
<PAGE>
            NOTES TO UNAUDITED PRO FORMA CONSOLIDATED BALANCE SHEET
 
(1) The column designated "Layne Christensen Historical" reflects the
    consolidated balance sheet of the Company as of April 30, 1997.
 
(2) The "Stanley Historical" column reflects the consolidated balance sheet of
    Stanley as of March 31, 1997. The Unaudited Pro Forma Consolidated Balance
    Sheet assumes a conversion rate of $.7860 representing the conversion rate
    at March 31, 1997.
 
(3) Represents the recording of goodwill resulting from G&K's obligation to
    repurchase the remaining 49% of the outstanding capital stock of G&K.
    Management currently estimates that the excess purchase price over
    historical cost of the G&K Acquisition will be allocated to goodwill based
    on a preliminary review of the G&K financial statements.
 
<TABLE>
<S>                                                                                             <C>
Estimated purchase price of remaining 49% minority interest in G&K (borrowings)...............  $6,324,000
Minority interest in G&K recorded by Stanley as of March 31, 1997.............................  (5,999,000)
                                                                                                ---------
Excess purchase price.........................................................................  $ 325,000
                                                                                                ---------
                                                                                                ---------
</TABLE>
 
(4) Represents the recording of goodwill resulting from the tender offer to
    purchase Stanley. Management currently estimates that the excess purchase
    price over historical cost of the net assets acquired will be allocated to
    goodwill based on a preliminary review of the Stanley financial statements.
 
<TABLE>
<S>                                                                                            <C>
Estimated purchase price.....................................................................  $51,666,000
Acquisition costs............................................................................     250,000
Historical cost basis of net assets of Stanley as of March 31, 1997..........................  (26,992,000)
                                                                                               ----------
Excess purchase price........................................................................  $24,924,000
                                                                                               ----------
                                                                                               ----------
</TABLE>
 
(5) Represents estimated deferred financing costs incurred in connection with
    the New Credit Agreement.
 
(6) Represents borrowings of $52,516,000 under the New Credit Agreement to
    finance the $51,666,000 Stanley purchase price and $850,000 of estimated
    fees and expenses related to the Stanley Acquisition and the New Credit
    Agreement. The Company has entered into a foreign currency collar pursuant
    to which the Company has fixed the exchange rate for the purchase of
    Australian dollars to finance the purchase of Stanley within a range of
    $.7515 to $.7615. For purposes of the pro forma purchase price calculation,
    the Company has assumed a conversion rate of $.7615.
 
(7) Represents the purchase of $1,500,000 of Common Stock (68,966 shares) by Mr.
    Stanley and the application of the proceeds from such purchase to repay
    borrowings under the New Credit Agreement.
 
(8) Represents the issuance of 2,006,565 shares of Common Stock by the Company
    and the application of the estimated net proceeds of $31,746,000 (at an
    offering price of $17 per share) to repay borrowings under the New Credit
    Facility.
 
                                       26
<PAGE>
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
    The following discussion and analysis of financial condition and results of
operations should be read in conjunction with the Unaudited Pro Forma
Consolidated Financial Statements, the Company's Consolidated Financial
Statements and Notes thereto, Stanley's Consolidated Financial Statements and
Notes thereto and G&K's Financial Statements and Notes thereto, each of which is
included elsewhere in this Prospectus.
 
OVERVIEW
 
    Through a series of predecessors, the Company has been in business since the
late 1800's when Mahlon Layne introduced a series of important innovations in
the water well drilling industry. The Company was incorporated in 1981 in
connection with the acquisition of substantially all the assets of The Marley
Company ("Marley"), the Company's former parent corporation, by a corporation
formed by KKR and its affiliates. Immediately prior to the Company's initial
public offering of its Common Stock in August 1992, the shares of Common Stock
held by Marley were distributed to Marley Holdings, L.P. and the other
stockholders of Marley in a spin-off.
 
    In fiscal 1994, the Company began a program designed to improve operating
efficiencies and reduce costs through office closures, reduced headcount,
increased investment in productivity-enhancing capital equipment and improved
safety practices. In a December 1995 cash and stock merger transaction (the "CBC
Merger"), the Company acquired CBC, a leading provider of diamond core drilling
services for mineral exploration and manufacturer of diamond core bits, core
barrels, drill rigs and related equipment. The purchase price paid by the
Company in the CBC Merger consisted of approximately 1,506,000 shares of
restricted Common Stock valued at approximately $9,200,000 and approximately
$9,056,000 in cash; in addition, the Company retired approximately $13,971,000
and assumed $1,491,000 of CBC's existing indebtedness. A portion of the cost of
the CBC Merger was financed by a $25,000,000 term loan. The CBC Merger was
treated as a purchase for financial accounting purposes, and accordingly, the
results of operations include CBC from the acquisition date. As a result of the
CBC Merger, the Company acquired equity interests in CBC's foreign affiliates.
The Company's investment in foreign affiliates as of January 31, 1997
represented approximately 12% of its total assets. In fiscal 1997, the equity
earnings of the Company from its foreign affiliates represented in the aggregate
approximately 30% of the Company's earnings before taxes, and no individual
foreign affiliate represented more than 13% of the Company's earnings before
taxes. See Notes 2, 3 and 8 of Notes to the Company's Consolidated Financial
Statements. In connection with the CBC Merger, the Company changed its name from
Layne, Inc. to Layne Christensen Company in March 1996.
 
    The Stanley Acquisition will have a significant effect on Layne
Christensen's future operations and on comparisons of income, expense and
balance sheet items in future periods in comparison to fiscal 1997 and the first
six months of fiscal 1998. Layne Christensen intends to account for the Stanley
Acquisition using the purchase method of accounting. As a result of the Stanley
Acquisition, among other things, the Company will incur a substantial increase
in long-term debt and related interest expense and in goodwill and related
goodwill amortization.
 
    The Company recognizes revenue on large, long-term drilling contracts on a
percentage of completion basis for individual contracts based upon the ratio of
costs incurred to total estimated costs at completion. Contract price and cost
estimates are reviewed periodically as work progresses and adjustments
proportionate to the percentage of completion are reflected in contract revenues
and gross profit in the reporting period when such estimates are revised.
Changes in job performance, job conditions and estimated profitability
(including those arising from contract penalty provisions) and final contract
settlements may result in revisions to costs and income and are recognized in
the period in which the revisions are determined. Revenue is recognized on
smaller, short-term contracts using the completed contract method.
 
                                       27
<PAGE>
Provisions for estimated losses on uncompleted contracts are made in the period
in which such losses are determined.
 
    In April 1997, the Company entered into a contract to install a frozen earth
barrier around an open pit mine in Canada. It is anticipated that the contract
will be completed within one year and will generate geotechnical construction
revenues of approximately $27,000,000 over such period. In light of the size of
this contract, there can be no assurance that this level of revenues will be
sustained in the geotechnical construction product line.
 
RESULTS OF OPERATIONS
 
    The following table, which is derived from the Company's Consolidated
Financial Statements, presents, for the periods indicated, the percentage
relationship which certain items reflected in the Company's statements of income
bear to revenues.
 
<TABLE>
<CAPTION>
                                                          THREE MONTHS             FISCAL YEAR ENDED
                                                        ENDED APRIL 30,               JANUARY 31,
                                                      --------------------  -------------------------------
                                                        1997       1996       1997       1996       1995
                                                      ---------  ---------  ---------  ---------  ---------
                                                          (UNAUDITED)
<S>                                                   <C>        <C>        <C>        <C>        <C>
Revenues:
  Water well drilling...............................       26.6%      28.1%      28.5%      34.3%      33.1%
  Well and pump repair and maintenance..............       19.6       21.3       20.5       25.8       27.6
  Mineral exploration drilling......................       26.7       23.9       22.2       11.2       10.9
  Environmental drilling............................        6.1       10.6       10.4       15.1       18.3
  Geotechnical construction and other services......        6.7        4.0        6.6        5.5        3.7
                                                      ---------  ---------  ---------  ---------  ---------
      Total service revenues........................       85.7       87.9       88.2       91.9       93.6
  Product sales.....................................       14.3       12.1       11.8        8.1        6.4
                                                      ---------  ---------  ---------  ---------  ---------
      Total revenues................................      100.0%     100.0%     100.0%     100.0%     100.0%
                                                      ---------  ---------  ---------  ---------  ---------
                                                      ---------  ---------  ---------  ---------  ---------
Cost of revenues:
  Cost of service revenues..........................       73.2%      74.0%      72.5%      72.2%      73.8%
  Cost of product sales.............................       71.8       72.5       72.4       81.5       80.1
  Total cost of revenues............................       73.0       73.8       72.5       73.0       74.2
                                                      ---------  ---------  ---------  ---------  ---------
Gross profit........................................       27.0       26.2       27.5       27.0       25.8
Selling, general and administrative expenses........       17.9       18.1       17.5       16.9       17.3
Depreciation........................................        4.9        5.3        4.9        4.9        4.7
                                                      ---------  ---------  ---------  ---------  ---------
Operating income....................................        4.2        2.8        5.1        5.2        3.8
Other income (expense):
  Equity in earnings of foreign affiliates..........        1.4        2.0        1.7     --         --
  Interest..........................................       (1.0)      (1.3)      (1.1)       (.5)       (.5)
  Other, net........................................         .1         .2         .1         .2     --
                                                      ---------  ---------  ---------  ---------  ---------
Income before income taxes..........................        4.7        3.7        5.8        4.9        3.3
Income tax expense..................................        1.8        1.7        2.2        2.2        1.5
                                                      ---------  ---------  ---------  ---------  ---------
Net income..........................................        2.9%       2.0%       3.6%       2.7%       1.8%
                                                      ---------  ---------  ---------  ---------  ---------
                                                      ---------  ---------  ---------  ---------  ---------
</TABLE>
 
COMPARISON OF THREE MONTHS ENDED APRIL 30, 1997 TO THREE MONTHS ENDED APRIL 30,
  1996
 
    REVENUES.  Revenues for the three months ended April 30, 1997 increased
$3,977,000 or 7.4% to $57,750,000 compared to $53,773,000 for the three months
ended April 30, 1996. Mineral exploration drilling revenues increased 20.1% to
$15,435,000 for the three months ended April 30, 1997 from $12,847,000 for the
three months ended April 30, 1996. The increase was primarily the result of
strong
 
                                       28
<PAGE>
mining demand in Mexico and the southwest region of the United States. Water
well drilling revenues increased 1.6% to $15,358,000 for the three months ended
April 30, 1997 compared to revenues of $15,115,000 for the three months ended
April 30, 1996. Well and pump repair and maintenance revenues decreased 1.1% to
$11,320,000 for the three months ended April 30, 1997 from $11,451,000 for the
three months ended April 30, 1996. The water well and pump repair and
maintenance businesses, in total, have remained relatively constant in all
regions served by the Company. Environmental drilling revenues decreased 37.7%
to $3,542,000 for the three months ended April 30, 1997 from $5,688,000 for the
three months ended April 30, 1996. The Company believes the market for
environmental services offered by the Company, primarily in the southwest region
of the United States, continues to be soft due to decreased demand for
underground storage tank projects and environmental cleanup work generally. In
addition, the Company has continued its strategy of not pursuing lower margin,
less technically demanding environmental projects. Product sales increased 27.0%
to $8,279,000 for the three months ended April 30, 1997 from $6,517,000 for the
three months ended April 30, 1996, as a result of strong sales to the mining
services industry.
 
    GROSS PROFIT.  Gross profit was 27.0% for the three months ended April 30,
1997 compared to 26.2% for the same period last year. The increase in gross
profit as a percent of revenues was primarily attributable to increased margins
on the Company's mineral exploration operations and manufacturing efficiencies.
 
    SELLING, GENERAL AND ADMINISTRATIVE EXPENSES.  Selling, general and
administrative expenses increased to $10,327,000 for the three months ended
April 30, 1997 compared to $9,737,000 for the three months ended April 30, 1996.
Although down slightly as a percentage of revenue, the dollar increase in
selling, general and administrative expenses was a result of higher salary and
incentive related expenses during the first quarter.
 
    FOREIGN AFFILIATES.  Equity in earnings of foreign affiliates was $820,000
for the three months ended April 30, 1997 compared to $1,102,000 for the three
months ended April 30, 1996. The decrease was primarily a result of project
delays in Peru caused by heavy rains and flooding early in fiscal 1998.
 
    INCOME TAXES.  Income taxes of $1,031,000 for the three months ended April
30, 1997 increased from $902,000 in the same period last year as a result of
higher income before taxes compared to the prior year. The effective tax rate
for the three months ended April 30, 1997 was 38.0% compared to 45.0% for the
same period last year. This improvement in the Company's effective tax rate was
primarily a result of a higher estimate of tax on earnings from foreign
affiliates for the first quarter of fiscal 1997.
 
COMPARISON OF FISCAL 1997 TO FISCAL 1996
 
    REVENUES.  Revenues for fiscal 1997 increased $55,582,000 or 33.2% to
$222,853,000 from fiscal 1996. Water well drilling revenues increased 10.7% to
$63,529,000 for fiscal 1997 compared to revenues of $57,385,000 for fiscal 1996.
The Company believes the increase in water well drilling revenues for the year
was mainly the result of continued increases in domestic municipal spending in
certain areas of the United States combined with increased sales of water well
equipment. Well and pump repair and maintenance revenues increased 6.0% to
$45,750,000 for fiscal 1997 from $43,166,000 for fiscal 1996. The Company
experienced an increase in activity in several markets for these services.
Mineral exploration drilling revenues increased 162.8% to $49,395,000 for fiscal
1997 from $18,794,000 for fiscal 1996. The increase was the result of the
addition, through the CBC Merger, of CBC's domestic and Canadian drilling
operations and continued strong mining demand in Mexico. Environmental drilling
revenues decreased 8.0% to $23,260,000 for fiscal 1997 from $25,278,000 for
fiscal 1996. The Company believes the decrease for the year was mainly the
result of a continuing soft market for the environmental services offered by the
Company. Product sales increased 94.7% to $26,309,000 for fiscal 1997 from
$13,516,000 for fiscal 1996, as a result of the domestic production facilities
of CBC acquired in the CBC Merger.
 
                                       29
<PAGE>
    GROSS PROFIT.  Gross profit margin was 27.5% for fiscal 1997 compared to
27.0% for fiscal 1996. The increase in gross profit margin was primarily
attributable to increased margins on product sales as a result of sales of
drilling equipment and bits from manufacturing facilities acquired in the CBC
Merger which have higher gross profit margins than those associated with the
Company's products distribution business. The increase in gross profit margin on
product sales was partially offset by lower gross profit margin on CBC's service
revenues.
 
    SELLING, GENERAL AND ADMINISTRATIVE EXPENSES.  Selling, general and
administrative expenses increased to $38,956,000 for fiscal 1997 compared to
$28,260,000 for fiscal 1996. The dollar increase in selling, general and
administrative expenses was a result of the CBC Merger, compensation related
expenses and growth in operations. As a percentage of revenues, selling, general
and administrative expenses were 17.5% in fiscal 1997 and 16.9% in fiscal 1996.
The increase as a percentage of revenue was due to increased requirements for
certain incentive-related expenses and a generally higher percentage of selling
expenses on product sales than contracting revenues.
 
    DEPRECIATION.  Depreciation increased to $10,974,000 for fiscal 1997
compared to $8,233,000 for fiscal 1996. The increase in depreciation was
primarily a result of assets acquired in the CBC Merger and the capital
expenditures made by the Company in the last several years.
 
    FOREIGN AFFILIATES.  Equity in earnings of foreign affiliates was $3,895,000
for fiscal 1997. These earnings were a result of the investments in foreign
affiliates acquired in connection with the CBC Merger. The affiliates were
reported on a one month lag, and therefore had no impact on the Company's fiscal
1996 operations. See Note 3 of the Notes to the Company's Consolidated Financial
Statements for additional information on the affiliates.
 
    INTEREST EXPENSE.  Interest expense increased $1,680,000 for fiscal 1997
compared to fiscal 1996. The increase was a result of the increased borrowings
necessitated by the CBC Merger.
 
    INCOME TAXES.  Income taxes of $4,913,000 for fiscal 1997 increased from
$3,753,000 for fiscal 1996 as a result of higher income before taxes compared to
the prior year. The effective tax rate for fiscal 1997 was 38.0% compared to
45.0% for fiscal 1996. This improvement in the Company's effective tax rate was
a result of the increase in and the tax treatment of the Company's earnings from
its foreign affiliates acquired through the CBC Merger. United States federal
income taxes are generally not provided by the Company on the equity earnings of
the affiliates, because foreign tax credits are available under current tax law
to significantly reduce or eliminate the resulting United States income tax
liability.
 
COMPARISON OF FISCAL 1996 TO FISCAL 1995
 
    REVENUES.  Revenues increased to $167,271,000 in fiscal 1996 from
$166,830,000 in fiscal 1995. Revenues from water well drilling increased 3.8% to
$57,385,000 in fiscal 1996 compared to $55,278,000 in fiscal 1995. The Company
believes the increase in water well drilling revenues for the year was mainly
the result of increased domestic municipal spending in certain areas of the
country and the Company's international expansion. This increase was offset in
part by the significant adverse effect of weather and economic conditions on the
Company's southern California operations. Well and pump repair and maintenance
revenues decreased 6.3% to $43,166,000 in fiscal 1996 compared to $46,066,000 in
fiscal 1995. The Company experienced a decrease in activity in certain markets
for these services, particularly in southern California, in addition to
decreases resulting from certain office closures in fiscal 1995. Environmental
revenues decreased 17.1% to $25,278,000 in fiscal 1996 compared to $30,487,000
in fiscal 1995. The Company believes these decreases were a result of closing
certain offices during fiscal 1995 and a continuing decline in the overall
market for the environmental services offered by the Company. The decline in
environmental revenues was partially offset by strong demand in the Arizona
market serviced by the Company which was being influenced by increased
enforcement of state environmental laws. Mineral exploration drilling and other
services revenues increased 18.4% to $41,442,000 in fiscal 1996 compared to
 
                                       30
<PAGE>
$34,999,000 in fiscal 1995. A portion of the increase, $2,526,000, was the
result of the CBC Merger. The remaining increase reflected increased demand in
the international markets served by the Company, partially offset by decreased
domestic demand.
 
    GROSS PROFIT.  Gross profit increased to $45,193,000 or 27.0% of revenues in
fiscal 1996 compared to $43,016,000 or 25.8% of revenues in fiscal 1995. The
increase in gross profit was primarily attributable to higher margins for all
product lines. The increase in margins was a result of an ongoing effort to
improve pricing and efficiencies in the delivery of services.
 
    SELLING, GENERAL AND ADMINISTRATIVE EXPENSES.  Selling, general and
administrative expenses decreased to $28,260,000 or 16.9% of revenues in fiscal
1996 compared to $28,860,000 or 17.3% of revenues in fiscal 1995. The decrease
in selling, general and administrative expenses was primarily attributable to
lower requirements for certain incentive-related expenses.
 
    DEPRECIATION.  Depreciation expense increased to $8,233,000 or 4.9% of
revenues in fiscal 1996 compared to $7,811,000 or 4.7% of revenues in fiscal
1995. The increase was the result of increased capital spending during the prior
two fiscal years in an effort to upgrade certain equipment and expand
internationally.
 
    INTEREST EXPENSE.  Interest expense remained flat in fiscal 1996 compared to
fiscal 1995. This was the result of a lower level of borrowings during the
majority of fiscal 1996 offset by increased borrowings as a result of the CBC
Merger.
 
    OTHER INCOME.  Other income, net increased to $407,000 in fiscal 1996
compared to a loss of $84,000 in fiscal 1995. Fiscal 1995 included a $474,000
exchange loss primarily as a result of the Mexican Peso devaluation.
 
    INCOME TAXES.  Income taxes increased to $3,753,000 in fiscal 1996 compared
to $2,522,000 in fiscal 1995 as a result of higher income before income taxes
compared to the prior year. The effective tax rate for fiscal 1996 decreased to
45% compared to 46% in fiscal 1995 as a result of the CBC Merger.
 
FLUCTUATION IN QUARTERLY RESULTS
 
    The Company historically has experienced fluctuations in its quarterly
results arising from the timing of the award and completion of contracts, the
recording of related revenues and unanticipated additional costs incurred on
projects. The Company's revenues on large drilling contracts are recognized on a
percentage of completion basis for individual contracts based upon the ratio of
costs incurred to total estimated costs at completion. Contract price and cost
estimates are reviewed periodically as work progresses and adjustments
proportionate to the percentage of completion are reflected in contract revenues
and gross profit in the reporting period when such estimates are revised.
Changes in job performance, job conditions and estimated profitability
(including those arising from contract penalty provisions) and final contract
settlements may result in revisions to costs and income and are recognized in
the period in which the revisions are determined. A significant number of the
Company's contracts contain fixed prices and assign responsibility to the
Company for cost overruns for the subject projects; as a result, revenues and
gross margin may vary from those originally estimated and, depending upon the
size of the project, variations from estimated contract performance could affect
the Company's operating results for a particular quarter. Many of the Company's
contracts are also subject to cancellation by the customer upon short notice
with limited damages payable to the Company. In addition, adverse weather
conditions, natural disasters, force majeure and other similar events can
curtail Company operations in various regions of the world throughout the year,
resulting in performance delays and increased costs. Moreover, the Company's
domestic drilling activities and related revenues and earnings tend to decrease
in the winter months when adverse weather conditions interfere with access to
drilling sites and the ability to drill; as a result, the Company's revenues and
earnings in its second and third quarters tend to be higher than
 
                                       31
<PAGE>
revenues and earnings in its first and fourth quarters. Accordingly, as a result
of the foregoing as well as other factors, quarterly results should not be
considered indicative of results to be expected for any other quarter or for any
full fiscal year. See the Company's Consolidated Financial Statements and Notes
thereto.
 
INFLATION
 
    Management believes that the Company's operations for the periods discussed
have not been adversely affected by inflation or changing prices.
 
LIQUIDITY AND CAPITAL RESOURCES
 
    Cash used in operations was $3,290,000 for the three months ended April 30,
1997 compared to cash used of $2,496,000 for the same period in the prior year.
The change in cash from operations was primarily a result of increased net
customer receivables and inventory compared to the same period in the prior
year. During the quarter ended April 30, 1997, and as a result of a profitable
fiscal 1997, the Company had substantial cash requirements in the form of
incentive related expenses and profit sharing contributions that will not apply
during the remainder of the fiscal year. In the quarter ended April 30, 1997,
the Company's net customer receivables increased to $38,608,000 from $32,031,000
at January 31, 1997, primarily as a result of an increase in revenues. The
primary source of the Company's liquidity in fiscal 1997, 1996 and 1995 was its
cash from operating activities of $17,116,000, $7,268,000 and $23,308,000,
respectively. The change in cash from operating activities from fiscal 1996 to
1997 was primarily the result of improved net income, dividends received from
foreign affiliates and accounts receivable collections. The change in cash from
fiscal 1995 to fiscal 1996 was primarily the result of increased customer
receivables and a decrease in accounts payable and accrued expenses compared to
the prior year.
 
    Cash from operations, along with borrowings under the Company's revolving
credit agreement, was primarily utilized during fiscal 1997 for investing
activities which included additions of $18,544,000 to property and equipment.
Capital expenditures during fiscal 1997 primarily related to upgrading the
Company's equipment and facilities and international expansion. The Company
expects to spend approximately $16,000,000 in fiscal 1998 for capital
expenditures, including approximately $3,500,000 for Stanley. Additions to
property and equipment were $2,873,000 during the three month period ended April
30, 1997. The Company anticipates fiscal 1998 capital expenditures will be used
to add to and upgrade the Company's equipment and expand operations. As of June
30, 1997, Stanley had invested a cumulative total of approximately $1,400,000 in
limited gold mining concessions. Stanley expects to make additional capital
contributions in connection with the concessions of approximately $415,000
through December 31, 1997 and to make further capital contributions thereafter.
As of April 30, 1997, the Company had no material commitments outstanding for
capital assets.
 
    During March 1996, the Company completed the private placement of an
unsecured note agreement (subsequently amended) for $25,000,000 to replace a
term loan the Company had previously obtained from one of its lenders. The note
bears a fixed interest rate of 6.75% and will be due March 15, 2006 with annual
installments of $3,571,000 beginning March 15, 2000.
 
    The Company also entered into a credit agreement ("Credit Agreement") in
March 1996 to refinance its then existing credit agreement and provide a
revolving cash borrowing facility of $30,000,000, less any outstanding letter of
credit commitments. The Company's borrowings and outstanding letter of credit
commitments under the Credit Agreement as of April 30, 1997 were $9,500,000 and
$5,000,000, respectively, leaving approximately $15,500,000 of unused
availability. See Note 8 of the Notes to the Company's Consolidated Financial
Statements.
 
    On July 25, 1997, the Company entered into the New Credit Agreement. The New
Credit Agreement is being used to finance the Stanley Acquisition and to
refinance the Company's existing indebtedness under the Credit Agreement, and
the Company intends to borrow funds under the New Credit Agreement
 
                                       32
<PAGE>
for working capital and capital expenditures and for other general corporate
purposes. The New Credit Agreement provides a reducing revolving cash borrowing
facility of up to $100,000,000, less any outstanding letter of credit
commitments ($20,000,000 sublimit). The New Credit Agreement will terminate on
July 25, 2002 and any borrowings thereunder will mature at that time. Layne
Australia, the subsidiary of the Company that made the tender offer to purchase
the shares of Stanley, will be eligible to draw down $30,000,000 under the New
Credit Agreement. The New Credit Agreement provides for guarantees by certain of
the Company's domestic subsidiaries and borrowings thereunder will be secured by
the outstanding stock of such subsidiaries as well as 65% of the outstanding
stock of certain foreign subsidiaries if the Company has not received at least
$15,000,000 in net equity proceeds by October 31, 1997. The New Credit Agreement
contains certain covenants including restrictions on the incurrence of
additional indebtedness and liens, mergers and acquisitions, sale of assets or
other dispositions, on annual capital expenditures, transactions with affiliates
and mandatory prepayments based on the proceeds from the sale of assets and debt
and equity securities and certain financial maintenance covenants, including
among others, minimum interest coverage and maximum leverage ratios. The New
Credit Agreement provides for interest at variable rates equal to (i) for loans
in Australian dollars, an Australian Bill rate plus .50% to .875% (depending
upon debt to capitalization ratios) or (ii) for loans in United States dollars,
at the Company's option, a Eurodollar rate plus .50% to .875% (depending upon
debt to capitalization ratios) or an alternate reference rate as defined in the
New Credit Agreement.
 
    The Company's working capital as of April 30, 1997 and as of January 31,
1997, 1996 and 1995 was $37,572,000, $29,643,000, $26,796,000 and $13,578,000,
respectively. The increase in working capital in fiscal 1997 over fiscal 1996
was the result of improved operating cash flow as discussed above. The Company
also recorded $2,800,000 in accrued integration costs in connection with the CBC
Merger. This has been reduced by total cash expenditures of $2,097,000 as of
April 30, 1997, all of which have been funded by operations. The remaining
amount is expected to be incurred during fiscal 1998. The Company believes
borrowings from the New Credit Agreement and cash from operations will be
sufficient to meet the Company's and Stanley's seasonal cash requirements and to
fund their budgeted capital expenditures for at least the balance of the fiscal
1998 year.
 
    Costs estimated to be incurred in the future for employee medical benefits
and casualty insurance programs resulting from claims which have occurred are
accrued currently. Under the terms of the Company's agreement with the various
insurance carriers administering these claims, the Company is not required to
remit the total premium until the claims are actually paid by the insurance
companies. These costs are not expected to significantly impact liquidity in
future periods. See Note 10 of the Notes to the Company's Consolidated Financial
Statements.
 
                                       33
<PAGE>
                                    BUSINESS
 
GENERAL
 
    Layne Christensen provides sophisticated drilling services and related
products and services in four principal markets: water supply, mineral
exploration, geotechnical construction and environmental. The Company believes
it is the largest provider in the United States of water well drilling, well
maintenance and environmental drilling services. The Company also believes it is
one of the world's largest providers of mineral exploration drilling services
and a world leader in diamond drill bit technology. Layne Christensen's
customers include municipalities, industrial companies, mining companies and
environmental consulting and engineering firms located principally in the United
States, Canada, Mexico and South America. Following consummation of the Stanley
Acquisition, the Company will gain entry into mineral exploration drilling
markets in Australia and West Africa. See "The Stanley Acquisition."
 
    The Company acquired CBC in December 1995, which expanded the Company's
mineral exploration drilling business domestically and marked the Company's
entry into Chile and Peru and other South American countries through CBC's
affiliated companies. The CBC acquisition also gave the Company substantial
capabilities in designing and manufacturing sophisticated drill rigs, diamond
drill bits and related equipment used by the mineral exploration industry.
 
    The Company maintains its executive offices at 1900 Shawnee Mission Parkway,
Mission Woods, Kansas 66205. The Company's telephone number is (913) 362-0510.
 
MARKET OVERVIEW
 
    The principal markets in which the Company operates are: water well drilling
and maintenance, mineral exploration drilling, geotechnical construction and
environmental drilling. In addition, following consummation of the Stanley
Acquisition the Company's mineral exploration drilling will include drill and
blast operations used in mine development. For purposes of this Prospectus, the
phrase "mineral exploration drilling" includes drill and blast operations,
unless otherwise noted. The characteristics of each of these markets vary,
particularly with respect to the maturity and cyclicality of the market in
various geographic areas. In each of these markets, however, the purchaser of
drilling services and products generally demands technical expertise, knowledge
of local geological conditions, project management skills, access to significant
amounts of capital equipment and cost effective pricing.
 
    WATER WELL DRILLING AND MAINTENANCE.  Demand for water well drilling
services is driven by the need to access groundwater, which is affected by many
factors including population movements and expansions, such as new housing
developments, deteriorating water quality and limited availability of surface
water. Groundwater is a vital natural resource that is pumped from the earth for
drinking water, irrigation and industrial use. In many parts of the United
States and other parts of the world, groundwater is the only reliable source of
water. Groundwater is located in saturated geological zones at varying depths
beneath the surface and accumulates in subsurface strata (aquifers). A
substantial majority of the public water systems in the United States rely on
groundwater (as compared to surface water) as their primary source of water.
Groundwater is the source of potable water for a significant portion of the
United States population. Surface water, the other major source of potable
water, comes principally from large lakes and rivers.
 
    The water well drilling market is highly fragmented, consisting of several
thousand water well drilling contractors in the United States. However, the
Company believes that a substantial majority of these contractors are regionally
and locally based, and are primarily involved in drilling low volume water wells
for agricultural and residential customers, markets in which the Company does
not generally compete. The Company's target groundwater drilling market consists
of high volume water wells drilled principally for municipal and industrial
customers. These wells have more stringent design specifications and are deeper
and larger in diameter than low-volume residential and agricultural wells.
Drillers for high-volume wells
 
                                       34
<PAGE>
must have strong technical expertise, expert knowledge of local geology, large
drilling equipment and the ability to procure sizable performance bonds.
 
    The demand for well and pump repair and maintenance depends upon the age and
use of the well and pump, the quality of material and workmanship applied in the
original well installation and changes in the depth and quality of the aquifer.
Repair and rehabilitation work is often required on an emergency basis or within
a relatively short period of time after a performance decline is recognized and
is often awarded to the firm that initially drilled the well. Scheduling
flexibility, together with appropriate expertise and equipment, are critical for
a repair and maintenance service provider. Like the water well drilling market,
the market for repair and maintenance is highly fragmented. It consists of most
well drilling companies as well as firms that provide solely repair and
maintenance services. In both cases, only a small percentage of companies
performing repair and maintenance services are capable of diagnosing complex
problems and selecting and implementing the appropriate rehabilitation
techniques.
 
    MINERAL EXPLORATION DRILLING.  Demand for mineral exploration drilling and
products is driven by the demand for identifying, defining and developing
underground mineral deposits. Growth in the economies of developing countries,
including China and India, is currently creating the largest demands for copper,
gold, silver, zinc and other minerals and propelling the need for
mineral-related drilling services. Other factors influencing the demand for
mineral-related drilling services include international political conditions,
inflation and foreign exchange levels, commodity prices, the economic
feasibility of mineral exploration and production, the discovery rate of new
mineral reserves and the ability of mining companies to access capital for their
activities.
 
    In recent years, important changes in the international mining industry have
led to the development and growth of mineral exploration in developing regions
of the world, including West Africa, Asia and South America. Certain countries,
such as Chile and Peru, have liberalized their mining codes to permit foreign
investment, and investment conditions generally have improved in those
countries. At the same time, stricter environmental permitting rules in the
United States and Canada have delayed or blocked the development of certain
projects forcing mining companies to look overseas for growth. In addition,
technological advancements now allow development of mineral resources previously
regarded as uneconomical. The mining exploration industry has also increased its
focus on these areas due to their early stage of mining development, relative to
the more mature mining regions of the world such as the United States and South
Africa. For example, while South Africa remains the top gold producer worldwide,
its output has steadily fallen over the last decade and is projected to continue
falling. In its August 1996 report, the Gold Institute reported that the twelve
largest gold producing countries were as follows in 1995 (data given in million
troy ounces):
 
<TABLE>
<S>                                                                     <C>
South Africa..........................................................       16.8
United States.........................................................       10.6
Australia.............................................................        8.1
Commonwealth of Independent States....................................        7.3*
Canada................................................................        4.8
People's Republic of China............................................        4.4*
Indonesia.............................................................        2.4
Brazil................................................................        2.2
Papua New Guinea......................................................        1.8
Ghana.................................................................        1.7
Peru..................................................................        1.7
Chile.................................................................        1.4
</TABLE>
 
        * Estimated
 
    The Gold Institute also tracks exploration spending and reported that
exploration budgets in the United States dropped from $149 million in 1992 to a
projected $121 million in 1996 while spending in
 
                                       35
<PAGE>
Central and South America increased from $28.1 million in 1992 to a projected
$145.7 million in 1996. With respect to copper, the United States Geological
Survey reported in February 1997 that the 12 largest copper producing countries
were as follows in 1995 (data given in thousand metric tons of copper content):
 
<TABLE>
<S>                                                                    <C>
Chile................................................................      2,490
United States........................................................      1,850
Canada...............................................................        726
Russia...............................................................        591
Indonesia............................................................        444
Australia............................................................        437
Poland...............................................................        384
Peru.................................................................        381
People's Republic of China...........................................        370
Mexico...............................................................        332
Zambia...............................................................        329
Kazakstan............................................................        260
</TABLE>
 
    Mining companies hire exploration drillers to extract samples from sites
that the mining companies analyze for mineral content. Mineral exploration
drilling requires a high level of expertise and technical competence because the
samples extracted must be free of contamination and accurately reflect the
underlying mineral deposit. Familiarity with the local geology is critical to
acquiring this competence. Mineral exploration drilling consists of exploratory
drilling and definitional drilling. Exploratory drilling is conducted to
determine if there is a minable mineral deposit (an orebody) on the site.
Definitional drilling is typically conducted at a site to assess whether it
would be economical to mine. The demand for definitional drilling has increased
in recent years as new and less expensive mining techniques have made it
feasible to mine previously uneconomical orebodies.
 
    In drill and blast operations conducted at open pit mines under production,
the driller drills holes for the placement of explosives; the explosives are
then detonated to loosen and dislodge earth, which is hauled away by the mining
company for processing. Drill and blast contracts typically have lower margins
than traditional mineral exploration drilling projects; however, they provide
more stable revenues because drill and blast contracts typically have a duration
of three to five years whereas traditional mineral exploration projects
typically have substantially shorter terms. To win drill and blast contracts, a
drilling company must be familiar with the mine site and its geology, have
proven drill and blast expertise and personnel and easily transferable rigs and
appropriate drilling equipment that can be dedicated to the site.
 
    GEOTECHNICAL CONSTRUCTION SERVICES.  Geotechnical construction services are
used to modify weak and unstable soils, decrease water flow in bedrock and
provide support and groundwater control for excavation. Methods used include
cement and chemical grouting and ground freezing, techniques for stabilizing
soils; jet grouting, a high-pressure method for providing subsurface support;
and dewatering, a method for lowering the water table. Geotechnical construction
services are important during the construction of dams, tunnels, shafts, water
lines, subways and other civil construction projects. Demand for geotechnical
construction services is driven primarily by the demand for these infrastructure
improvements. The customers for these services are primarily heavy civil
construction contractors, governmental agencies, mining companies and the
industrial sector. The geotechnical construction services industry is highly
fragmented.
 
    ENVIRONMENTAL DRILLING.  Demand for environmental drilling services is
driven by public concern over groundwater contamination and resulting regulatory
requirements to investigate and remediate contaminated sites and aquifers.
Numerous and complex federal, state and local laws have been enacted for the
purpose of investigating and remediating pollution of underground aquifers as
well as preventing or controlling the potential environmental hazards caused by
groundwater contamination. Environmental
 
                                       36
<PAGE>
drilling services are utilized to assess, investigate, monitor and improve water
quality and pumping capacity. Customers are typically national and regional
consulting firms engaged by federal and state agencies as well as industrial
companies that need to assess or clean up groundwater contamination sources.
 
BUSINESS STRATEGY
 
    Layne Christensen believes it is one of only a few companies worldwide that
has the drilling expertise, financial resources, equipment and project
management skills to conduct large, highly complex drilling projects in the
Company's principal markets. As a result of providing water well and mineral
exploration drilling services for more than 100 years through its predecessor
companies, the Company has developed significant drilling expertise and project
management skills and has compiled a broad database of geological and other
technical information. The Company has substantial resources, including over 500
rigs and associated capital equipment, approximately 60 sales and operations
offices and approximately 1,800 employees (in each case excluding its foreign
affiliates). The Company's growth strategy is to expand its current geographic
markets and enter into new business lines that build on the Company's core
competencies. Key elements of this strategy are as follows:
 
    EXPAND MINERAL EXPLORATION DRILLING INTERNATIONALLY.  The Company believes
that its best mineral exploration drilling opportunities exist in Australasia,
Africa and South America. To position itself to take advantage of such
opportunities, the Company intends to expand its international mineral
exploration business through internal expansion and acquisitions. In late 1995,
the Company entered certain South American mineral exploration markets,
including Chile and Peru, and expanded its operations in Mexico, through its
acquisition of CBC and its affiliates. To further implement this international
growth strategy, in July 1997 the Company acquired Stanley, a leading Australian
mineral exploration drilling company with operations currently in West Africa
(principally Ghana) and Australia. The Company believes that these foreign
enterprises and their local affiliates have the opportunity to significantly
expand their businesses by leveraging their local market expertise and the
Company's technical competence, access to transferable drilling equipment and
employee training and safety programs. The Stanley Acquisition also will give
the Company the opportunity to expand its existing South American mineral
exploration drilling activities into drill and blast operations. With the
additional resources and capabilities provided by its acquisitions of CBC and
Stanley, the Company believes it will be better positioned to expand its
operations in countries such as Argentina, Bolivia, Brazil and Zambia, where it
expects the mineral exploration industry to grow.
 
    ACQUIRE WATER WELL DRILLING BUSINESSES IN THE UNITED STATES.  Layne
Christensen is currently the largest provider of water well drilling services in
the United States, operating in all of the country's regions except the
northeast. The Company intends to expand its water well drilling business in the
United States by making strategic acquisitions of selected regional
privately-held water well drilling firms. For example, in July 1997 the Company
acquired Stamm-Scheele Inc., a water well drilling company based near Baton
Rouge, Louisiana. The Company believes that by combining the Company's
capabilities with regional firms, the Company will improve such firms'
efficiency, safety record, bonding capacity, profitability and professionalism
and enable these firms to win project bids that they would not otherwise have
won.
 
    EXPAND WATER WELL DRILLING INTERNATIONALLY.  The Company intends to build
its groundwater business internationally by leveraging the mineral exploration
services that it currently provides to mining customers. Mining companies
frequently need to implement a dewatering program that requires the installation
of wells to remove groundwater from the mine excavation or to construct a
groundwater well to obtain process water for use in connection with mining
activities. For example, the Company is currently undertaking a project through
one of the Company's Chilean affiliates for the completion of thirteen water
production wells in the Collahuasi mine in Northern Chile, with technical
support provided through Layne Christensen. Many developing countries also have
significant and growing requirements to access groundwater to satisfy their
potable water needs. The Company intends to position itself to be an industry
leader
 
                                       37
<PAGE>
in water well drilling in certain foreign markets, such as Mexico and Thailand.
In all of its regions, the Company intends to concentrate on large scale
industrial and government water well drilling projects.
 
    EXPAND PRESENCE IN GEOTECHNICAL CONSTRUCTION SERVICES.  The Company's
participation in the geotechnical construction services market is still in an
early stage. The Company intends to leverage its drilling capabilities, industry
contacts, reputation, project management skills and growing geographic presence
to expand this business. In particular, the Company's strategy is to focus on
relatively larger, technically demanding projects using its grouting and ground
freezing capabilities. An example of the implementation of this strategy is the
Company's project in Timmons, Ontario, Canada where the Company has been engaged
by Echo Bay Mines Ltd. to construct a subsurface frozen earth barrier around a
3.5 kilometer perimeter open pit gold mine.
 
    While the Company expects to continue conducting environmental drilling
business for the foreseeable future, and continues to consider such market as
one of its principal markets, the Company does not expect such business to
provide growth opportunities in the foreseeable future.
 
SERVICES AND PRODUCTS
 
    Layne Christensen's current business is divided into four primary areas:
water well drilling and maintenance services; mineral exploration drilling
services and products; geotechnical construction services; and environmental
drilling services. Following consummation of the Stanley Acquisition, the
Company's mineral exploration drilling services will also include drill and
blast services.
 
    OVERVIEW OF THE COMPANY'S DRILLING TECHNIQUES
 
    The types of drilling techniques employed by the Company in its drilling
activities have different applications:
 
    - Conventional and reverse circulation rotary rigs are used in water well
      and mineral exploration drilling primarily for drilling large diameter
      wells and employ air or drilling fluid circulation for removal of cuttings
      and borehole stabilization.
 
    - Dual tube drilling, an innovation advanced by the Company primarily for
      mineral exploration and environmental drilling, conveys the drill cuttings
      to the surface inside the drill pipe. This drilling method is critical in
      mineral exploration drilling and environmental sampling because it
      provides immediate representative samples and because the drill cuttings
      do not contact the surrounding formation thus avoiding contamination of
      the borehole while providing reliable, uncontaminated samples. Because
      this method involves circulation of the drilling fluid inside the casing,
      it is highly suitable for penetration of underground voids or faults where
      traditional drilling methods would result in the loss of circulation of
      the drilling fluid, thereby preventing further penetration.
 
    - Diamond core drilling is used in mineral exploration drilling to core
      solid rock, thereby providing geologists and engineers with solid rock
      samples for evaluation.
 
    - Cable tool drilling, which requires no drilling fluid, is used primarily
      in water well drilling for larger diameter wells. While slower than other
      drilling methods, it is well suited for penetrating boulders, cobble and
      rock.
 
    - Auger drilling is used principally in water well and environmental
      drilling for efficient completion of relatively small diameter, shallow
      wells. Auger rigs are equipped with a variety of auger sizes and soil
      sampling equipment.
 
    WATER WELL DRILLING AND MAINTENANCE
 
    DRILLING SERVICES.  The Company provides complete water well systems on a
turnkey basis, offering the comprehensive range of services required to provide
professionally designed, constructed and maintained
 
                                       38
<PAGE>
municipal, industrial and, to a lesser extent, agricultural water wells.
Although it may not perform each of the services it offers on every project, the
Company has the capability to provide every element of a water well system,
including test hole drilling, well casing and screen selection and installation,
gravel packing, grout sealing, well development and testing and pump selection,
equipment sales and installation. Layne Christensen provides water well drilling
services in most regions of the United States and in certain foreign countries.
 
    Water well drilling requires the integration of hydrogeology and engineering
with the techniques of well drilling because the drilling methods and size and
type of equipment depend upon the depth of the wells and the geological
formations encountered at the project site. The Company has extensive well
archives and equipment in addition to technical personnel to determine
geological conditions and aquifer characteristics in most locations, enabling it
to locate suitable water-bearing formations to meet a wide variety of customer
requirements. The Company provides feasibility studies using complex geophysical
survey methods and has the expertise to analyze the survey results and define
the source, depth and magnitude of an aquifer. It can then estimate recharge
rates, specify required well design features, plan well field design and develop
water management plans. To conduct these services, the Company maintains a staff
of professional employees including civil and geological engineers, geologists,
hydrogeologists, geophysicists, and microbiologists.
 
    The Company believes that it has the technical ability and experience to
specify and install the most efficient pump for a given well design and aquifer
characteristics. As part of its water well drilling and installation business,
the Company sells a wide variety of pumps manufactured by third parties,
including vertical turbine, submersible, shortcoupled and horizontal centrifugal
pumps. The Company also sells and installs certain third party water treatment
equipment, which is typically installed at or near the wellhead, including
chlorinators, aerators, filters and controls. In addition, the Company sells
miscellaneous supplies manufactured by the Company as well as third parties for
use in the water well drilling industry, including well casing, well screens,
drill pipe and bits, drilling fluids and well cleaning supplies.
 
    WELL AND PUMP REPAIR AND MAINTENANCE.  Periodic repair and maintenance of
well equipment is required during the life of a well. In locations where the
groundwater contains both bacteria and iron, screen openings may become blocked
with organic growth, reducing the capacity and productivity of the well.
Similarly, groundwater with high mineral content may cause the buildup of scale
on well screens, also reducing the capacity and productivity of the well.
 
    The Company offers complete repair and maintenance services for existing
wells, pumps and related equipment through a network of local offices throughout
its geographic markets. In addition to its well service rigs, the Company has
equipment capable of conducting downhole closed circuit televideo inspections
(one of the most effective methods for investigating water well problems),
enabling the Company to diagnose better and respond more quickly to well and
maintenance problems. The Company believes it benefits from offering both water
well drilling and repair and maintenance services because firms that install
wells are more likely to be called upon to maintain or repair them.
 
    The Company's trained and experienced personnel can perform a variety of
well rehabilitation techniques, including chemical and mechanical methods, and
can perform bacteriological well evaluation and water chemistry analysis. The
Company also has the capability and inventory to repair, in its own machine
shops, most water well pumps, regardless of manufacturer, as well as to repair
well screens, casings and related equipment such as chlorinators, aerators and
filtration systems.
 
    MINERAL EXPLORATION DRILLING AND PRODUCTS
 
    DRILLING SERVICES.  The Company provides drilling services for geological
assessment, in situ mining and mineral exploration. These services are used
primarily by major gold and copper producers based in the United States and
Canada, and to a lesser extent, iron ore producers. In response to a shift in
recent years by many of these producers to foreign markets in search of
economically minable orebodies, the
 
                                       39
<PAGE>
Company commenced mineral exploration drilling operations in Mexico in 1991. In
addition, with its acquisition of CBC in December 1995, the Company now has
foreign affiliates operating in South America with facilities in Chile and Peru.
These affiliates are among the leaders in their respective markets for mineral
exploration drilling services and have projects in Argentina, Bolivia, Brazil,
Chile, Mexico and Peru, among other locations.
 
    The Company, together with its affiliates, offers a complete range of
mineral exploration drilling technologies from the traditional to the most
advanced. The Company's drilling specialists will recommend effective drilling
methods to address the challenges presented by difficult subsurface conditions
at exploration sites. Following consummation of the Stanley Acquisition, the
Company's mineral exploration drilling activities will also include drill and
blast services.
 
    PRODUCTS.  With its acquisition of CBC, the Company expanded its operations
to include the manufacture and marketing of a wide range of standard equipment
used by the Company and third party drilling contractors involved in mineral
exploration and mine development in various parts of the world. The Company's
products include drill rigs, coring equipment and drill bits. The Company uses
its experience gained from completing a wide range of drilling projects to
design products, particularly drill bits, that are well suited to current
drilling applications, and from time to time, will design and manufacture
products for custom applications. The Company's products are designed and
manufactured to meet its own rigid standards of quality and utility as well as
the standards of various trade associations.
 
    Layne Christensen manufactures a line of diamond core mineral exploration
drill rigs which are designed to meet the specialized work requirements of
mineral exploration sites and can also be used at environmental sites. The
Company's line of rig accessory equipment and tools includes subs, bushings and
adapters; water swivels; a variety of safety related equipment; and hoisting,
lowering and pulling equipment.
 
    The Company manufactures conventional and wireline coring equipment for
recovery of core samples from the earth. The Company's wireline core barrels are
core recovery tools designed for operation at the bottom of the drill string
where a core bit cuts the core that is collected and retained inside the core
barrel. Retrieving the core requires pulling the inner tube through the inside
of the string of rods, using the Company's proprietary quad latch, and then
removing the core barrel from the inner tube to retrieve the core. The wireline
coring system allows for faster and more efficient core sampling than
conventional coring because the entire drill rod string does not have to be
retrieved from the earth each time a core sample is obtained. The Company
believes its wireline coring systems represent the state-of-the-art in coring
performance. The Company also offers a full line of equipment for conventional
coring. The Company's conventional and wireline coring products include drill
rods manufactured by third parties to which the Company adds industry standard
threading suited to its products. The drill rods purchased by the Company are
composed of the highest grade of carbon alloy steel for durability and
flexibility.
 
    The diamond drill bit products manufactured by the Company include products
incorporating matrix powder technology coupled with both synthetic and natural
diamonds. The principal categories of drilling bits are surface set diamond
bits, impregnated synthetic diamond bits and polycrystalline synthetic diamond
bits. Each category of bit is specifically designed for maximum drilling
efficiency in different geological formations and drilling applications, and the
Company frequently updates and redesigns its bits for various formations and
applications. The Company's bit products also include reamers and stabilizers
for stabilizing and centering the drill bit. The Company distributes its
products to distributors, general contractors, mineral exploration companies and
equipment and parts suppliers.
 
                                       40
<PAGE>
    In the products market, the Company seeks to be a leader in advanced
manufacturing technology and superior quality drilling products and equipment
that meet the highest standards for precision, consistency and durability. The
Company engages in on-going engineering, research and development activities to
improve its existing products and to design and develop new products for both
existing and new drilling applications. To further promote efficiency, reduce
development costs and enhance customer relationships, the Company's research and
engineering staff works closely with its customers to design and develop
custom-engineered drilling solutions.
 
    GEOTECHNICAL CONSTRUCTION SERVICES
 
    Geotechnical construction services include those services provided by the
Company to the heavy civil construction market to provide ground modification
for construction work in unstable soils during the construction of dams,
tunnels, shafts and other civil construction projects. Services offered include
cement and chemical grouting, jet grouting, drain hole drilling, installation of
ground anchors, tie backs, rock bolts and instrumentation. The Company offers
expertise in selecting the appropriate support techniques to be applied in
various geological conditions. In addition, the Company has extensive experience
in the placement of measuring devices capable of monitoring water levels and
ground movement.
 
    The Company also offers artificial ground freezing capabilities, typically
utilized as an alternative method to dewatering large diameter excavation and
tunneling projects. The Company was recently awarded a significant contract by
Echo Bay Mines Ltd. to construct a subsurface frozen earth barrier around an
open pit gold mine in Timmons, Ontario, Canada. In the Echo Bay project, the
Company will drill and install approximately 2,000 pipes to depths of 45 to 125
meters around the 3.5 kilometer perimeter of the mine, then connect the pipes to
an enclosed manifold system that will deliver a brine solution, refrigerated to
- -20 degrees Centigrade, to each of the individual pipes.
 
    ENVIRONMENTAL DRILLING
 
    The Company offers a wide range of environmental drilling services
including: investigative drilling, installation and testing of wells that
monitor the extent of groundwater contamination, installation of recovery wells
that extract contaminated groundwater for treatment (pump and treat remediation)
and specialized site safety programs associated with drilling at contaminated
sites. Monitoring wells are installed to determine the nature and extent of
known or suspected subsurface contamination as well as to monitor an area for
future contamination. In addition, monitoring wells are often installed
surrounding underground petroleum or chemical storage tanks to monitor for
possible future tank leaks or product spills. After monitoring and testing the
groundwater, recovery wells may be installed to extract contaminated water from
the aquifer for treatment or disposal.
 
    In its environmental health services department, the Company employs a
full-time staff qualified to prepare site specific health and safety plans for
customers who have workers employed on hazardous waste cleanup sites as required
by OSHA and MSHA.
 
OPERATIONS
 
    The Company operates on a decentralized basis, with approximately 60 sales
and operations offices located in most regions of the United States and Canada,
Mexico and Thailand. In addition, the Company, through its foreign affiliates,
operates out of locations in Mexico, South America and Europe.
 
    The Company is primarily organized domestically in eastern and western
geographic regions, each with a regional vice president in charge of operations
and district managers in charge of individual district office profit centers.
The district managers report to their respective regional vice president on a
regular basis. Each district office employs a field superintendent who is in
charge of projects in the field and sales engineers who are responsible for
marketing the Company's services in their district as well as for monitoring the
progress of projects. The Company does not conduct significant marketing
activities.
 
                                       41
<PAGE>
Instead, the Company's sales engineers cultivate and maintain contacts with
existing and potential customers. In this way, the Company learns of and is in a
position to compete for proposed drilling projects in the region.
 
    In its foreign affiliates, where the Company does not have majority
ownership or operating control, day-to-day operating decisions are made by local
management. The Company's regional vice presidents oversee the Company's
interests in its foreign affiliates as well as the operations of its foreign
subsidiaries. In addition, the Company manages its interests in its foreign
affiliates through regular management meetings and analysis of comprehensive
operating and financial information. In its significant foreign affiliates, the
Company has entered into shareholder agreements that give it limited board
representation rights and require super-majority votes in certain circumstances.
 
CUSTOMERS AND CONTRACTS
 
    Each of the Company's service and product lines has major customers;
however, no single customer accounted for 10% or more of the Company's revenues
in any of the past three fiscal years.
 
    Generally, the Company negotiates its service contracts with industrial and
mining companies and other private entities, while its service contracts with
municipalities are generally awarded on a bid basis. The Company's contracts
vary in length depending upon the size and scope of the project. The majority of
such contracts are awarded on a fixed price basis, subject to change of
circumstance and force majeure adjustments, while a smaller portion are awarded
on a cost plus basis. Substantially all of the contracts are cancelable for,
among other reasons, the convenience of the customer.
 
    In the water well drilling service line, the Company's customers are
typically municipalities and local operations of industrial businesses. Of the
Company's water well drilling revenues in fiscal 1997, approximately 59% were
derived from municipalities and approximately 26% were derived from industrial
businesses while the balance was derived from other customer groups. The term
"municipalities" is used to include local water districts, water utilities,
cities, counties and other local governmental entities and agencies that have
the responsibility to provide water supplies to residential and commercial
users. In the drilling of new water wells, the Company targets customers that
require compliance with detailed and demanding specifications and regulations
and that often require bonding and insurance, areas in which the Company
believes it has competitive advantages over its competitors due to its drilling
expertise and financial resources.
 
    In the water well repair and maintenance service line, the Company's
customers also include municipalities and local operations of industrial
businesses. In fiscal 1997, approximately 52% of the Company's repair and
maintenance revenues were derived from municipalities, approximately 27% of such
revenues were derived from industrial businesses and the balance was derived
from other customer groups.
 
    Customers for the Company's mineral exploration drilling services in the
United States, Mexico, Canada and South America are primarily gold and copper
producers. The Company's largest customers in its mineral exploration drilling
business are multi-national corporations headquartered primarily in the United
States and Canada. Customers for mineral exploration products manufactured or
sold by the Company include distributors, general contractors, mineral
exploration companies and equipment and parts suppliers.
 
    In its geotechnical construction services product line, the Company's
customers are primarily heavy civil construction contractors, governmental
agencies, mining companies and industrial companies. The Company often acts as a
specialty subcontractor when it provides geotechnical construction services.
 
    The Company's primary environmental drilling customers are regional or
national consulting firms retained by federal or state agencies or by industrial
companies to assist in the assessment and cleanup of groundwater contamination.
 
                                       42
<PAGE>
BACKLOG
 
    The Company's backlog consists of executed service and product purchase
contracts, or portions thereof, not yet performed by the Company. The Company
believes that its backlog does not have any significance other than as a
short-term business indicator because substantially all of the contracts
comprising the backlog are cancelable for, among other reasons, the convenience
of the customer. The Company's backlog was approximately $49,197,000 at April
30, 1997, compared to approximately $41,551,000 at April 30, 1996. The Company's
backlog is generally completed within the following fiscal year.
 
PROPERTIES AND EQUIPMENT
 
    The Company's corporate headquarters are located in Mission Woods, Kansas (a
suburb of Kansas City, Missouri), in approximately 28,000 square feet of office
space leased by the Company pursuant to a written lease agreement which expires
February 28, 2000. The Company's manufacturing operations are primarily
conducted from an approximately 84,000 square foot plant located in Salt Lake
City, Utah and owned by the Company (the "Plant"). The Plant is subject to a
commercial deed of trust which provides security for the Company's note to a
lender in the amount of approximately $1,400,000.
 
    As of April 30, 1997, the Company (excluding foreign affiliates) owned or
leased approximately 525 drill and well service rigs throughout the world, a
substantial majority of which were located in the United States. This includes
rigs used primarily in each of its service lines as well as multi-purpose rigs.
In addition, as of April 30, 1997, the Company's foreign affiliates owned or
leased approximately 90 drill rigs.
 
COMPETITION
 
    The Company's competition in the water well drilling business consists
primarily of small, local water well drilling operations and some regional
competitors. The largest domestic provider of water well drilling products and
services other than the Company is Hydro Group, Inc., a private company located
and primarily operating in the northeastern United States, while the next
largest competitor, Beylik Drilling, Inc., is located in California. Oil and
natural gas well drillers generally do not compete in the water well drilling
business because the technology, expertise and equipment utilized in these
businesses differ significantly. Only a small percentage of all companies that
perform water well drilling services have the technical competence and drilling
expertise to compete effectively for high volume municipal and industrial
projects, which typically are more demanding than projects in the agricultural
or residential well markets. In addition, smaller companies often do not have
the financial resources or bonding capacity to compete for large projects.
However, there are no proprietary technologies or other significant factors
which prevent other firms from entering these local or regional markets or from
consolidating together into larger companies more comparable in size to the
Company. Water well drilling work is usually obtained on a competitive bid basis
for municipalities, while work for industrial customers is obtained on a
negotiated or informal bid basis.
 
    As is the case in the water well drilling business, the well repair and
maintenance business is characterized by a large number of relatively small
competitors. Only a small percentage of the companies performing these services
have the technical expertise necessary to diagnose complex problems, perform
many of the sophisticated rehabilitation techniques offered by the Company or
repair a wide range of pumps in their own facilities. In addition, many of these
companies have only a small number of pump service rigs. Repair and maintenance
projects are typically negotiated at the time of repair or contracted for in
advance depending upon the lead time available for the repair work. Since pump
repair and rehabilitation work is typically negotiated on an emergency basis or
within a relatively short period of time, those companies with available rigs
and the requisite expertise have a competitive advantage by being able to
respond quickly to repair requests.
 
    In its mineral exploration drilling business, the Company competes with a
number of drilling companies, including Boart Longyear and Ausdrill Limited, as
well as vertically integrated mining
 
                                       43
<PAGE>
companies that conduct their own exploration drilling or drill and blast
activities; some of these competitors have greater capital and other resources
than the Company. In the mineral exploration drilling market, the Company
competes based on price, expertise and reputation. The Company believes it has a
well-recognized reputation for expertise and performance in this market,
although the Company is not the largest company providing these services on a
national or international basis. The Company believes that this market is
becoming more competitive, particularly in the United States. Mineral
exploration drilling work is typically performed on a negotiated basis. In the
market for the Company's manufactured mineral exploration drilling products, the
Company's competitors consist of Boart Longyear and a small number of other
manufacturers. The Company competes in this market based on price, technical
design and reputation.
 
    The geotechnical construction services market is highly fragmented as a
result of the large area served, the wide range of techniques offered and the
large number and variety of contractors. The Company's two major competitors in
this market are Hayward Baker, Inc. and Nicholson Construction Company. In this
market, the Company competes based upon a combination of reputation, innovation
and price.
 
    In the environmental drilling market, Layne Christensen competes with
different types of drillers depending on the services involved. Small site
assessments and routine underground storage tank assessment and remediation
projects are highly competitive and attract a large number of local drilling
competitors. More sophisticated and demanding projects generally require the
expertise and resources of larger drilling operators with access to multiple
rigs and alternative drilling techniques. The larger drilling companies
generally also have the requisite expertise and safety training to assess the
risks associated with drilling on sites having higher contamination levels and
larger amounts of hazardous wastes. The Company believes its risk assessment
process enables it to select projects prudently and to better manage risks
associated with those projects. The Company focuses on the more technically
demanding projects in this area and avoids the smaller and highly competitive
site assessment and remediation projects. Environmental drilling contracts are
usually bid or negotiated at the initial stage but major contract extensions are
often negotiated.
 
EMPLOYEES AND TRAINING
 
    At January 31, 1997, the Company had 1,832 employees, 158 of whom were
hourly employees and members of collective bargaining units represented by
locals affiliated with major labor unions. The Company believes that its
relationship with its employees is satisfactory.
 
    In all of the Company's service lines, an important competitive factor is
technical expertise. As a result, the Company emphasizes the training and
development of its personnel. Periodic technical training is provided for senior
field employees covering such areas as pump installation, drilling technology
and electrical troubleshooting. In addition, the Company emphasizes strict
adherence to all health and safety requirements and offers incentive pay based
upon achievement of specified safety goals. This emphasis encompasses developing
site-specific safety plans, ensuring regulatory compliance and training
employees in regulatory compliance and good safety practices. Training includes
an OSHA-mandated 40-hour hazardous waste and emergency response training course
as well as the required annual eight hour updates. The Company has an
environmental health sciences staff which allows it to offer such training in-
house. This staff also prepares health and safety plans for specific sites and
provides input and analysis for the health and safety plans prepared by others.
 
    On average, the Company's field supervisors and drillers have sixteen and
ten years, respectively, of experience with the Company. In addition, many of
the Company's professional employees have advanced academic backgrounds in
agricultural, chemical, civil, industrial and mechanical engineering, geology,
microbiology and metallurgy. The Company believes that its size and reputation
allow it to compete effectively for highly qualified professionals.
 
                                       44
<PAGE>
REGULATORY AND ENVIRONMENTAL MATTERS
 
    The services provided by the Company are subject to various licensing,
permitting, approval and reporting requirements imposed by federal, state, local
and foreign laws. Its operations are subject to inspection and regulation by
various governmental agencies, including the Department of Transportation, OSHA
and MSHA in the United States as well as their counterparts in foreign
countries. In addition, the Company's activities are subject to regulation under
various environmental laws regarding emissions to air, discharges to water and
management of wastes and hazardous substances. To the extent the Company fails
to comply with these various regulations, it could be subject to monetary fines,
suspension of operations and other penalties. In addition, these and other laws
and regulations affect the Company's mineral drilling services and product
customers and influence their determination whether to conduct mineral
exploration and development.
 
    In April 1997, employees of the Company conducting a ground freeze project
on the site of a steel plant in Northwest Indiana were involved in a spill of
approximately 2,000 gallons of ammonium hydroxide from a storage tank which
resulted in a discharge of the pollutant. Based upon its investigation to date,
the Company believes that there will be no long term environmental harm
resulting from this spill. However, in June 1997, the Company learned that the
EPA, Region V Office of Criminal Investigation, was investigating the matter. To
date the EPA has conducted interviews of a limited number of employees. At this
time, no written claims or charges have been made against the Company or any of
its employees, and the Company is endeavoring to cooperate fully with the EPA.
However, there can be no assurance that civil or criminal charges will not
result from the investigation or that such charges will not have a material
adverse effect on the Company. In particular, criminal liability could impair
the ability of the Company to be awarded municipal and federal government
contracts. If any criminal charges are brought against the Company, Layne
Christensen intends to contest them vigorously.
 
    Many localities require well operating licenses which typically specify that
wells be constructed in accordance with applicable regulations. Various state,
local and foreign laws require that water wells and monitoring wells be
installed by licensed well drillers. The Company maintains well drilling and
contractor's licenses in those jurisdictions in which it operates and in which
such licenses are required. In addition, the Company employs licensed engineers,
geologists and other professionals necessary to the conduct of its business. In
those circumstances in which the Company does not have a required professional
license, it subcontracts that portion of the work to a firm employing the
necessary professionals.
 
POTENTIAL LIABILITY AND INSURANCE
 
    The Company's drilling activities involve certain operating hazards that can
result in personal injury or loss of life, damage and destruction of property
and equipment, damage to the surrounding areas, release of hazardous substances
or wastes and other damage to the environment, interruption or suspension of
drill site operations and loss of revenues and future business. The magnitude of
these operating risks is amplified when the Company, as is frequently the case,
conducts a project on a fixed-price, "turnkey" basis where the Company delegates
certain functions to subcontractors but remains responsible to the customer for
the subcontracted work. In addition, the Company is exposed to potential
liability under foreign, federal, state and local laws and regulations,
contractual indemnification agreements or otherwise in connection with its
provision of services and products. For example, the Company could be held
responsible for contamination caused by an accident which occurs as a result of
the Company drilling through a contaminated water source and creating a channel
through which the contaminants migrate to an uncontaminated water source.
Litigation arising from any such occurrences may result in the Company's being
named as a defendant in lawsuits asserting large claims. Although the Company
maintains insurance protection that it considers economically prudent, there can
be no assurance that any such insurance will be sufficient or effective under
all circumstances or against all claims or hazards to which the Company may be
subject or that the Company will be able to continue to obtain such insurance
protection. A successful claim or damage resulting from a hazard for which the
Company is not fully insured could
 
                                       45
<PAGE>
have a material adverse effect on the Company. In addition, the Company does not
maintain political risk insurance or business interruption insurance with
respect to its foreign operations.
 
LEGAL PROCEEDINGS
 
    The Company is involved in various matters of litigation, claims and
disputes which have arisen in the ordinary course of the Company's business.
While the resolution of any of these matters may have an impact on the financial
results for the period in which the matter is resolved, the Company believes
that the ultimate disposition of these matters will not, in the aggregate, have
a material adverse effect on the Company's business or consolidated financial
position.
 
                                       46
<PAGE>
                                   MANAGEMENT
 
    The Company's directors and executive officers are as follows:
 
<TABLE>
<CAPTION>
NAME                                                       AGE                            POSITIONS
- -----------------------------------------------------      ---      -----------------------------------------------------
<S>                                                    <C>          <C>
Robert J. Dineen                                               67   Chairman of the Board and Director
 
Andrew B. Schmitt                                              48   President, Chief Executive Officer and Director
 
Edward A. Gilhuly                                              37   Director
 
Todd A. Fisher                                                 31   Director
 
Donald K. Miller                                               65   Director
 
H. Edward Coleman                                              59   Senior Vice President
 
Norman E. Mehlhorn                                             56   Senior Vice President
 
Eric R. Despain                                                48   Senior Vice President
 
Kent B. Magill                                                 44   Vice President, General Counsel and Secretary
 
Jerry W. Fanska                                                48   Vice President--Finance and Treasurer
</TABLE>
 
    Executive officers are appointed by and serve at the pleasure of the Board
of Directors.
 
    ROBERT J. DINEEN.  Mr. Dineen has served as Chairman of the Board of the
Company since August 1992. From May 1986 until his retirement in August 1993,
Mr. Dineen was President and Chief Executive Officer of The Marley Company, a
manufacturer and supplier of engineered equipment and services for heating,
fluid handling, control and treatment and heat exchange. Mr. Dineen is a
director of Kansas City Power & Light Company and Owens-Illinois, Inc.
 
    ANDREW B. SCHMITT.  Mr. Schmitt has served as President and Chief Executive
Officer of the Company since October 1993. For approximately two years prior to
joining the Company, Mr. Schmitt managed two privately-owned hydrostatic pump
and motor manufacturing companies and an oil and gas service company. He served
as President of the Tri-State Oil Tools Division of Baker Hughes Incorporated
from February 1988 to October 1991.
 
    EDWARD A. GILHULY.  Mr. Gilhuly has been a member of KKR & Co., L.L.C., the
general partner of KKR, since 1996 and a general partner of KKR Associates since
1995. During 1995, Mr. Gulhuly was a general partner of KKR. Prior to 1995, he
was an executive of KKR and a limited partner of KKR Associates for more than
five years. Mr. Gilhuly is a director of Owens-Illinois, Inc., Owens-Illinois
Group, Inc., Doubletree Hotel Corporation, Union Texas Petroleum Holdings, Inc.
and Merit Behavioral Care Corporation.
 
    TODD A. FISHER.  Mr. Fisher has been an executive of KKR since June 1993.
From July 1992 to June 1993, Mr. Fisher was an associate at Goldman, Sachs & Co.
Prior to 1992, Mr. Fisher attended the Wharton School of Business at the
University of Pennsylvania. Mr. Fisher has served as a director of Merit
Behavioral Care Corporation since October 1995.
 
    DONALD K. MILLER.  Mr. Miller has been Chairman of the Board of Greylock
Financial, Inc., a corporation engaged in merchant banking, since 1987. In
addition, Mr. Miller has been since 1987 a special limited partner of Greylock
Investments Limited Partnership ("Greylock"), a limited partnership engaged in
making investments. From November 1990 to April 1993 Mr. Miller was Chairman and
Chief Executive Officer, and from April 1993 to November 1994 Mr. Miller was
Vice Chairman, of Thomson Advisory Group L.P., an asset management company. Mr.
Miller served as Chairman of the Board of Directors of CBC from 1986 to December
1995. Mr. Miller was involved in the formation of Christensen Boyles and in
 
                                       47
<PAGE>
the acquisition of Boyles Bros. Drilling Company and Christensen Mining
Products. He currently is on the Board of Directors of Fibreboard Corporation,
Huffy Corporation, PIMCO Advisors L.P. and RPM, Inc. and has spent the majority
of his career in investment banking or as an investor focusing on a variety of
industries.
 
    H. EDWARD COLEMAN.  Mr. Coleman has served as an officer of the Company
since 1976 and as its Senior Vice President since 1985 and is responsible for
most of the Company's operations in the eastern half of the country. Mr. Coleman
has over 35 years experience in various areas of the Company's operations.
 
    NORMAN E. MEHLHORN.  Mr. Mehlhorn has served as the Company's Senior Vice
President since September 1992 and as Vice President from 1986 to September 1992
and is responsible for most of the Company's operations in the western half of
the country. Mr. Mehlhorn has nearly 40 years experience in the drilling
business, with particular emphasis on dual tube drilling technology.
 
    ERIC R. DESPAIN.  Mr. Despain has served as the Company's Senior Vice
President since February 1996. Prior to joining the Company in December 1995,
Mr. Despain was President and a member of the Board of Directors of CBC since
1986.
 
    KENT B. MAGILL.  Mr. Magill has served as the Company's Vice President
General Counsel and Secretary since August 1992 and served as Vice President and
Associate General Counsel of Marley since May 1989.
 
    JERRY W. FANSKA.  Mr. Fanska has served as the Company's Vice
President--Finance and Treasurer since April 1994 and as Controller since
December 1993. Prior to joining Layne Christensen, Mr. Fanska served as
corporate controller of Marley since October 1992 and as Internal Audit Manager
of Marley since April 1984.
 
                                       48
<PAGE>
                       PRINCIPAL AND SELLING STOCKHOLDERS
 
    The following table sets forth certain information as of June 1, 1997,
regarding the beneficial ownership of Layne Christensen Common Stock by (i) each
person known to the Board of Directors to own beneficially 5% or more of the
Company's Common Stock, (ii) each director of the Company, (iii) certain named
executive officers, (iv) all directors and executive officers of the Company as
a group and (v) each stockholder who is selling Common Stock in this offering
(the "Selling Stockholders"). Information with respect to beneficial ownership
has been furnished by each respective director, officer, 5% or more stockholder
or Selling Stockholder, as the case may be.
 
    As of June 1, 1997, Marley Holdings, L.P. owned 4,607,986 shares of Common
Stock. Marley G.P., Inc. is the sole general partner of Marley Holdings, L.P.
KKR Associates is a limited partner of Marley Holdings, L.P. and the general
partner of three limited partners of Marley Holdings, L.P. (Marley Associates,
Marley Partners, L.P. and KKR Partners). In connection with the offering, Marley
Holdings, L.P. will distribute its shares of Common Stock on a pro rata basis to
Marley G.P., Inc. and to KKR Associates, Marley Associates, Marley Partners,
L.P., KKR Partners and the other limited partners of Marley Holdings, L.P.,
including Messrs. Dineen and Coleman (the "Distribution"). The table below sets
forth the share ownership of the Common Stock after giving effect to the
Distribution. Except as set forth in the table, neither Marley G.P., Inc. nor
any of the limited partners of Marley Holdings, L.P. will own more than 5% of
the outstanding Common Stock following the Distribution.
 
<TABLE>
<CAPTION>
                                                     SHARES BENEFICIALLY                         SHARES TO BE
                                                         OWNED AFTER                          BENEFICIALLY OWNED
                                                   DISTRIBUTION AND PRIOR                   AFTER DISTRIBUTION AND
                                                       TO OFFERING(1)          NUMBER           OFFERING(1)(2)
                                                   -----------------------    OF SHARES    -------------------------
                      NAME                           NUMBER      PERCENT    BEING OFFERED     NUMBER       PERCENT
- -------------------------------------------------  ----------  -----------  -------------  ------------  -----------
<S>                                                <C>         <C>          <C>            <C>           <C>
KKR Associates(3)................................   3,930,936       44.3%        --           2,067,000       18.9%
Marley Associates................................   1,265,596       14.3%      1,265,596        --           --
Marley Partners, L.P.............................     378,989        4.3%        378,989        --           --
KKR Partners.....................................     219,351        2.5%        219,351        --           --
Greylock Investments
  Limited Partnership(4).........................     740,404        8.3%        399,818        340,586        3.1%
Robert P. Henderson(4)...........................     740,404        8.3%        --             340,586        3.1%
Shapiro Capital
  Management Co., Inc.(5)........................     621,600        7.0%        --             621,600        5.7%
Robert J. Dineen(6)..............................     152,683        1.7%        --             152,683        1.4%
Andrew B. Schmitt(6).............................     280,000        3.1%        --             280,000        2.5%
Donald K. Miller(7)..............................     208,329        2.3%         13,528         95,831       *
PaineWebber Inc., as Trustee
  FBO Donald K. Miller...........................      95,888        1.1%         95,888        --            *
Barclay St.J. Miller.............................       2,854       *              1,541          1,313       *
Prescott C. Miller...............................       2,854       *              1,541          1,313       *
Edward A. Gilhuly(3)(8)..........................      --          --            --             --           --
Todd A. Fisher(3)(8).............................      --          --            --             --           --
H. Edward Coleman(6).............................      93,776        1.1%        --              93,776       *
Norman E. Mehlhorn(6)............................      74,295       *            --              74,295       *
Kent B. Magill(6)................................      53,255       *            --              53,255       *
Eric R. Despain..................................      91,324        1.0%        --              91,324       *
All directors and officers as a group (10
  persons)(9)....................................     997,262       10.7%        --             884,764        7.8%
Baupost Limited Partnership
  1983 A-1.......................................      18,552       *             18,552        --           --
Baupost Limited Partnership
  1983 B-1.......................................       9,718       *              9,718        --           --
Baupost Limited Partnership
  1983 C-1.......................................      60,074       *             60,074        --           --
Chesterfield Investments.........................     216,412        2.4%        216,412        --           --
Jerrold R. Culp(10)..............................      12,101       *              6,535          5,566       *
Dockash Corporation..............................     102,738        1.2%         55,479         47,259       *
Scott T. Evans(10)(11)...........................      27,397       *             14,794         12,603       *
</TABLE>
 
                                       49
<PAGE>
<TABLE>
<CAPTION>
                                                     SHARES BENEFICIALLY                         SHARES TO BE
                                                         OWNED AFTER                          BENEFICIALLY OWNED
                                                   DISTRIBUTION AND PRIOR                   AFTER DISTRIBUTION AND
                                                       TO OFFERING(1)          NUMBER           OFFERING(1)(2)
                                                   -----------------------    OF SHARES    -------------------------
                      NAME                           NUMBER      PERCENT    BEING OFFERED     NUMBER       PERCENT
- -------------------------------------------------  ----------  -----------  -------------  ------------  -----------
<S>                                                <C>         <C>          <C>            <C>           <C>
Freya Fanning & Co.
  as Trustee Gregory C. Irrevocable Trust........       7,580       *              4,093          3,487       *
Freya Fanning & Co.
  as Trustee Gregory D. Irrevocable Trust........       7,580       *              4,093          3,487       *
Freya Fanning & Co.
  as Trustee Gregory E. Irrevocable Trust........       7,580       *              4,093          3,487       *
Catherine M. Gauger
  as Trustee of the Irrevocable Trust
  Dated 9/24/90 FBO Catherine M. Gauger..........       9,206       *              4,206          5,000       *
Gerhard M. Gauger(10)
  as Trustee of the Irrevocable Trust
  Dated 9/24/90 FBO Gerhard M. Gauger............       9,878       *              4,878          5,000       *
Edwin W. Hansen(11)(12)..........................      13,927       *              7,521          6,406       *
David J. Harris(12)
  Irrevocable Charitable Remainder Trust.........      22,000       *             11,000         11,000       *
Clark Hirschi(11)(12)............................      20,776       *             11,000          9,776       *
Industrial Manufacturers & Systems S.A...........     142,693        1.6%         77,054         65,639       *
Dean N. Jorgensen(10)............................      13,699       *              7,397          6,302       *
Colin B. Kinley(11)(12)..........................       4,726       *              1,000          3,726       *
John V. Kinley(12)...............................       9,657       *              2,500          7,157       *
Roger Q. Kinley(11)(12)..........................       4,702       *              2,200          2,502       *
Ben A. Radi(10)..................................      34,810       *             34,810        --           --
Robert F. Wrobel(10).............................      59,774       *             59,774        --           --
                                                                            -------------
                                                                               2,993,435
                                                                            -------------
                                                                            -------------
</TABLE>
 
- ------------------------
*    Less than 1%.
 
(1) Beneficial ownership is determined in accordance with the rules of the
    Securities and Exchange Commission which generally attribute beneficial
    ownership of securities to persons who possess sole or shared voting power
    and/or investment power with respect to those securities and includes shares
    of common stock issuable pursuant to the exercise of stock options that are
    immediately exercisable or exercisable within 60 days. Unless otherwise
    indicated, the persons or entities identified in this table have sole voting
    and investment power with respect to all shares shown as beneficially owned
    by them. Percentage ownership calculations prior to and after the offering
    are based on 8,874,991 shares and 10,950,522 shares, respectively, of Common
    Stock outstanding.
 
(2) Gives effect to the issuance of a total of 2,006,565 shares to be sold in
    the offering and 68,966 shares to be issued to Ross Stanley in connection
    with the Stanley Acquisition.
 
(3) The 3,930,936 shares of Common Stock designated as beneficially owned by KKR
    Associates prior to the offering and after the Distribution consist of (i)
    an aggregate of 1,863,936 shares owned by Marley Associates, Marley
    Partners, L.P. and KKR Partners (the "Limited Partnerships"), all of which
    are being sold in the offering, and (ii) 2,067,000 shares owned directly by
    KKR Associates. KKR Associates is the sole general partner of each Limited
    Partnership and in such capacity may be deemed to share beneficial ownership
    of the shares beneficially owned by the Limited Partnerships. Mr. Gilhuly,
    Henry R. Kravis, George R. Roberts, Paul E. Raether, Robert I. MacDonnell,
    Michael W. Michelson, James H. Greene, Jr., Michael T. Tokarz, Perry Golkin,
    Clifton S. Robbins and Scott Stuart are the general partners of KKR
    Associates, and Messrs. Kravis and Roberts are also the members of the
    Executive Committee of KKR Associates, and in such capacity may be deemed to
    share beneficial ownership of the shares of Common Stock that KKR Associates
    may beneficially own or be deemed to beneficially own. Mr. Gilhuly is a
    director of the Company. Mr. Fisher, a director of the Company, is a limited
    partner of KKR Associates. The foregoing persons disclaim beneficial
    ownership of the shares owned by KKR Associates. The business address of KKR
    Associates is 9 West 57th Street, New York, New York 10019.
 
(4) The 740,404 shares designated as beneficially owned by Greylock Investments
    Limited Partnership ("Greylock") prior to the offering may also be deemed to
    be beneficially owned by Robert P. Henderson by virtue of his status as the
    general partner of Greylock. Of the 740,404 shares, 317,645 shares are
    subject to the provisions of an escrow agreement, pursuant to which some or
    all of such 317,645 shares are subject to forfeiture. Greylock and Mr.
    Henderson each has sole voting power with respect to 740,404 shares and sole
    investment power with respect to 422,759 shares. After the offering, each
    will have sole voting power
 
                                       50
<PAGE>
    with respect to 340,586 shares and sole investment power with respect to
    22,941 shares. Neither Greylock nor Mr. Henderson has shared voting or
    investment power with respect to any shares. The address for Greylock and
    Mr. Henderson is One Federal Street, Boston, Massachusetts 02110.
 
(5) According to its Schedule 13G filed with the Securities and Exchange
    Commission on February 18, 1997, Shapiro Capital Management Co., Inc.
    ("Shapiro") is an investment adviser under the Investment Advisers Act of
    1940. One or more of Shapiro's advisory clients is the legal owner of the
    securities reported herein. Pursuant to the investment advisory agreements
    with its clients, Shapiro has the authority to direct the investments of its
    advisory clients, and subsequently to authorize the disposition of the
    Company's shares. Samuel R. Shapiro is the president, a director and
    majority shareholder of Shapiro, in which capacity he exercises dispositive
    power over the securities reported herein by Shapiro. Mr. Shapiro,
    therefore, may be deemed to have indirect beneficial ownership over such
    securities. Unless otherwise indicated herein, Mr. Shapiro has no interest
    in dividends or proceeds from the sale of such securities, owns no such
    securities for his own account and disclaims beneficial ownership of all the
    securities reported herein by Shapiro. As of December 31, 1996, Mr. Shapiro
    owned no shares of Common Stock for his own account. He may be deemed to be
    the beneficial owner of 2,500 shares owned by his wife and the remaining
    619,100 shares of Common Stock reported herein. The business address of
    Shapiro is 3060 Peachtree Road, N.W., Atlanta, Georgia 30305.
 
(6) Includes options for the purchase of 72,164 shares, 210,000 shares, 39,733
    shares, 51,254 shares and 35,894 shares of Common Stock exercisable within
    60 days granted to Messrs. Dineen, Schmitt, Coleman, Mehlhorn and Magill,
    respectively.
 
(7) Prior to the offering includes 5,708 shares owned by Mr. Miller's two sons,
    Barclay St.J. Miller and Prescott C. Miller, of which an aggregate of 3,082
    shares will be sold in the offering. Of the 208,329 shares reported before
    the offering, 95,888 shares are held by PaineWebber Inc. in trust for Mr.
    Miller, all of which will be sold in the offering, and 89,377 shares
    (including 2,450 shares owned by Mr. Miller's sons) are subject to the
    provisions of an escrow agreement, pursuant to which some or all of such
    89,377 shares are subject to forfeiture. Before the offering, Mr. Miller has
    sole voting power with respect to 202,621 shares and sole investment power
    with respect to 115,694 shares, and has shared voting power with respect to
    5,708 shares and shared investment power with respect to 92,635 shares.
    After the offering, Mr. Miller will have sole voting power with respect to
    93,205 shares and sole investment power with respect to 6,278 shares, and
    will have shared voting power with respect to 2,626 shares and shared
    investment power with respect to 89,553 shares.
 
(8) Prior to and after the offering, Marley G.P., Inc., the sole general partner
    of Marley Holdings, L.P., will own 53,436 shares of Common Stock which it
    will receive as a result of the Distribution. The stockholders of Marley
    G.P., Inc. are general and limited partners of KKR Associates. Mr. Gilhuly
    is the Treasurer of Marley G.P., Inc. and a general partner of KKR
    Associates. Mr. Fisher is a limited partner of KKR Associates. Messrs.
    Gilhuly and Fisher disclaim any beneficial ownership of the shares owned by
    Marley G.P., Inc.
 
(9) Includes options for the purchase of 437,045 shares of the Company's Common
    Stock exercisable within 60 days granted to all directors and officers of
    the Company as a group. In the offering, all directors and officers as a
    group will sell an aggregate of 112,498 shares of Common Stock consisting of
    the shares being sold by Donald K. Miller, PaineWebber Inc., as Trustee FBO
    Donald K. Miller, Barclay St.J. Miller and Prescott C. Miller.
 
(10) The designated Selling Stockholder is a former employee of the Company.
 
(11) Such shares are registered in the name of the designated Selling
    Stockholder and his wife as joint tenants.
 
(12) The designated Selling Stockholder is a current employee of the Company.
 
                                       51
<PAGE>
                          DESCRIPTION OF CAPITAL STOCK
 
    The authorized capital stock of the Company consists of 30,000,000 shares of
Common Stock, $0.01 par value per share, of which 10,950,522 shares (including
68,966 shares to be issued to Mr. Stanley in connection with the Stanley
Acquisition) will be outstanding upon the completion of this offering and
5,000,000 shares of preferred stock, $0.01 par value per share (the "Preferred
Stock"), none of which will be outstanding. As of June 1, 1997, the Company's
Common Stock was held of record by 207 stockholders.
 
COMMON STOCK
 
    Except as otherwise required by law, holders of Common Stock are entitled to
one vote for each share of Common Stock held on all matters submitted to a vote
of stockholders. There is no cumulative voting for the election of directors,
which means that the holders of a majority of the shares voted in the election
of directors can elect all of the directors they nominate for election. In the
event of a liquidation, dissolution or winding up of the Company, holders of
Common Stock, subject to the rights of holders of any Preferred Stock then
outstanding, are entitled to share ratably in all remaining assets available for
distribution to stockholders.
 
    Holders of Common Stock have no preemptive rights. There are no redemption
or sinking fund provisions applicable to the Common Stock. The Common Stock is
not convertible into any other class of security. All of the outstanding shares
of Common Stock are, and the shares being offered by the Company hereunder will
be, upon issuance and sale, fully paid and nonassessable.
 
PREFERRED STOCK
 
    The Board of Directors of the Company is authorized, without further
stockholder action, to cause the issuance of and to divide any or all shares of
authorized Preferred Stock into series and to fix and determine the
designations, preferences and relative, participating, optional or other special
rights and qualifications, limitations or restrictions thereon, of any series so
established, including voting powers, dividend rights, liquidation preferences,
redemption rights and conversion principles. As of the date of this Prospectus,
the Board of Directors of the Company has not authorized any series of Preferred
Stock and there are no plans, agreements or understandings for the issuance of
any shares of Preferred Stock.
 
REGISTRATION AND OTHER RIGHTS
 
    Under the terms of a Registration Rights Agreement by and between the
Company and Marley Holdings, L.P., dated as of November 30, 1995 (the
"Registration Rights Agreement"), and a Stockholders Agreement (the
"Stockholders Agreement") between the Company and certain stockholders of the
Company, dated December 28, 1995 (collectively, the "Agreements"), following the
closing of this offering the holders of approximately 3,100,000 shares of Common
Stock (the "Registrable Securities") will be entitled to certain rights with
respect to the registration of such shares under the Securities Act. Pursuant to
the terms and conditions of the Agreements, holders of Registrable Securities
may require the Company to register their shares at the Company's expense. In
addition, holders of Registrable Securities have the right to have any or all of
their Registrable Securities included, at the Company's expense, in a
registration statement relating to Common Stock filed by the Company, subject to
certain limitations, including the right of the underwriter to limit the number
of shares of Registrable Securities to be included in the registration. In
connection with such registrations, the Company is required to indemnify the
holders participating in an offering of Registrable Securities against certain
liabilities, including civil liabilities under the Securities Act.
 
    Pursuant to the Stockholders Agreement, Marley Holdings, L.P. has and,
subsequent to the offering contemplated hereby, KKR Associates will have certain
rights of first refusal with respect to sales by former CBC stockholders of an
aggregate of approximately 775,000 shares of Common Stock. In addition,
 
                                       52
<PAGE>
in connection with the CBC Merger, certain former CBC stockholders holding an
aggregate of approximately 1,500,000 shares of Common Stock as of June 1, 1997,
approximately 725,000 of which will be sold in this offering, agreed to vote
their shares of Common Stock through December 2001 for a Board consisting of
five directors and the election as directors of four individuals designated by
KKR.
 
    The Company has entered into agreements with certain present and former
officers and directors of the Company or its affiliates granting piggyback
registration rights and co-sale rights with respect to an aggregate of
approximately 515,000 shares of Common Stock beneficially owned by such officers
and directors after giving effect to the offering (of which approximately
200,000 are also subject to the Registration Rights Agreement), including their
shares subject to stock options.
 
CERTAIN CERTIFICATE OF INCORPORATION, BYLAW AND STATUTORY PROVISIONS AFFECTING
  STOCKHOLDERS
 
    CLASSIFIED BOARD; REMOVAL OF DIRECTORS; BOARD VACANCIES.  The Company's
Restated Certificate of Incorporation provides for a classified Board of
Directors consisting of three classes as nearly equal in size as practicable.
Each class holds office until the third annual meeting for election of directors
following the election of such class. A director may be removed without cause
either by (i) a majority vote of the directors then in office (including, for
purposes of calculating the number of directors then in office, the director
subject to such removal vote) or (ii) the vote of 80% of the capital stock
entitled to vote for the election of directors. In addition, the provision
relating to the classified board may be amended only upon the vote of the
holders of at least 80% of the capital stock entitled to vote for the election
of directors. A majority of the remaining directors then in office, even though
less than a quorum, may fill any vacancy in the Board of Directors.
 
    SPECIAL MEETINGS OF STOCKHOLDERS; STOCKHOLDER ACTION BY WRITTEN CONSENT.
The Restated Certificate of Incorporation provides that actions may be taken by
the stockholders of the Company only at annual or special meetings of
stockholders and not by written consent. Special meetings of the stockholders of
the Company may be called only by the Board of Directors, a majority of the
Board of Directors or by a duly designated committee of the Board of Directors
whose powers and authority include the power to call such meetings.
 
    SECTION 203 OF DELAWARE CORPORATION LAW.  The Company is subject to Section
203 of the Delaware General Corporation Law, which generally prohibits a
publicly held Delaware corporation from engaging in a "business combination"
with an "interested stockholder" for a period of three years after the time that
the person became an interested stockholder, unless (i) prior to such time the
Board of Directors of the corporation approved either the business combination
or the transaction in which the person became an interested stockholder, (ii)
upon consummation of the transaction that resulted in the stockholder becoming
an interested stockholder, the interested stockholder owns at least 85% of the
voting stock of the corporation outstanding at the time the transaction
commenced, excluding shares owned by officers or directors of the corporation
and by certain employee stock plans, or (iii) at or after such time the business
combination is approved by the Board of Directors of the corporation and by the
affirmative vote of at least 66 2/3% of the outstanding voting stock of the
corporation that is not owned by the interested stockholder. A "business
combination" generally includes mergers, asset sales and similar transactions
between the corporation and the interested stockholder, and other transactions
resulting in a financial benefit to the stockholder. An "interested stockholder"
is a person who, together with affiliates and associates, owns 15% or more of
the corporation's voting stock or who is an affiliate or associate of the
corporation and, together with his or her affiliates and associates, has owned
15% or more of the corporation's voting stock within three years.
 
TRANSFER AGENT AND REGISTRAR
 
    National City Bank is the transfer agent and registrar for the Common Stock.
 
                                       53
<PAGE>
                                  UNDERWRITING
 
    Piper Jaffray Inc. and Dillon, Read & Co. Inc. (the "Underwriters") have
severally agreed, subject to the terms of the Purchase Agreement, to purchase
from the Company and the Selling Stockholders the number of shares of Common
Stock set forth opposite their names below. The Underwriters are committed to
purchase and pay for all such shares if any are purchased.
 
<TABLE>
<CAPTION>
UNDERWRITER                                                                  NUMBER OF SHARES
- ---------------------------------------------------------------------------  -----------------
<S>                                                                          <C>
Piper Jaffray Inc..........................................................       3,000,000
Dillon, Read & Co. Inc.....................................................       2,000,000
                                                                             -----------------
    Total..................................................................       5,000,000
                                                                             -----------------
                                                                             -----------------
</TABLE>
 
    The Company has been advised that the Underwriters propose to offer the
shares to the public at the Price to Public set forth on the cover page of this
Prospectus and to certain dealers at such price less a concession not in excess
of $.47 per share. The Underwriters may allow and such dealers may reallow a
concession not in excess of $.10 per share on sale to certain other brokers and
dealers. After the offering, the Price to Public, concession and reallowance may
be changed by the Underwriters.
 
    The Company has granted to the Underwriters an option, exercisable during
the 30-day period after the date of this Prospectus, under which the
Underwriters may purchase up to an additional 750,000 shares of Common Stock
from the Company at the Price to Public less the Underwriting Discount set forth
on the cover page of the Prospectus. The Underwriters may exercise the option
only to cover over-allotments, if any. To the extent such option is exercised,
each Underwriter will become obligated, subject to certain conditions, to
purchase approximately the same percentage of such additional shares as it was
obligated to purchase pursuant to the Purchase Agreement.
 
    The Company and the Selling Stockholders have agreed to indemnify the
Underwriters against certain liabilities, including civil liabilities under the
Securities Act, or to contribute to payments which the Underwriters may be
required to make in respect thereof.
 
    The Company and each of the Company's directors, executive officers and
certain principal stockholders and Selling Stockholders have agreed, for a
period of 90 days after the date of this Prospectus, not to directly or
indirectly offer for sale, sell, contract to sell, grant any option for the sale
of, or otherwise issue or dispose of, any shares of Common Stock, options or
warrants to acquire shares of Common Stock, or any security or instrument
related thereto, without the prior written consent of Piper Jaffray Inc., except
for (i) sales to the Underwriters pursuant to the Purchase Agreement, (ii) in
the case of the Company, sales in connection with the exercise of options
granted and the granting of options to purchase up to an additional 350,000
shares pursuant to the Company's existing stock option plans and (iii) certain
other exceptions.
 
    In order to facilitate the offering, the Underwriters may engage in
transactions that stabilize, maintain or otherwise affect the price of the
Common Stock during and after the offering. Specifically, the Underwriters may
over-allot or otherwise create a short position in the Common Stock for their
own account by selling more shares of Common Stock than have been sold to them
by the Company and the Selling Stockholders. The Underwriters may elect to cover
any such short position by purchasing shares of Common Stock in the open market
or by exercising the over-allotment option granted to the Underwriters. In
addition, the Underwriters may stabilize or maintain the price of the Common
Stock by bidding for or purchasing shares of Common Stock in the open market and
may impose penalty bids, under which selling concessions allowed to syndicate
members or other broker-dealers participating in the offering are reclaimed if
shares of Common Stock previously distributed in the offering are repurchased in
connection with stabilization transactions or otherwise. The effect of these
transactions may be to stabilize or maintain the market price of the Common
Stock at a level above that which might otherwise prevail in the open market.
The imposition of a penalty bid may also affect the price of the Common Stock to
the extent that it
 
                                       54
<PAGE>
discourages resales thereof. No representation is made as to the magnitude or
effect of any such stabilization or other transactions. Such transactions may be
effected on the Nasdaq National Market or otherwise and, if commenced, may be
discontinued at any time.
 
    In connection with this offering, certain Underwriters (and selling group
members) may also engage in passive market making transactions in the Common
Stock on the Nasdaq National Market. Passive market making consists of
displaying bids on the Nasdaq National Market limited by the prices of
independent market makers and effecting purchases limited by such prices and in
response to order flow. Rule 103 of Regulation M promulgated by the Securities
and Exchange Commission limits the amount of net purchases that each passive
market maker may make and the displayed size of each bid. Passive market making
may stabilize the market price of the Common Stock at a level above that which
might otherwise prevail in the open market and, if commenced, may be
discontinued at any time.
 
                                 LEGAL MATTERS
 
    The validity of the Common Stock being offered hereby will be passed upon
for the Company by Latham & Watkins, Menlo Park, California. Certain legal
matters will be passed upon for the Underwriters by Faegre & Benson LLP,
Minneapolis, Minnesota. Certain partners of Latham & Watkins, members of their
families, related persons and others, have an indirect interest, through limited
partnerships, in less than 1% of the Common Stock of the Company. Such persons
do not have the power to vote or dispose of such shares of Common Stock.
 
                                    EXPERTS
 
    The Consolidated Financial Statements of Layne Christensen Company as of
January 31, 1997 and 1996 and for each of the three years in the period ended
January 31, 1997 included and incorporated by reference in this Prospectus and
the Registration Statement and the financial statement schedule included
elsewhere in the Registration Statement have been audited by Deloitte & Touche
LLP, independent auditors, as stated in their reports which are included and
incorporated by reference herein and elsewhere in the Registration Statement,
and are so included and incorporated in reliance upon the reports of such firm
given upon their authority as experts in accounting and auditing.
 
    The Consolidated Financial Statements of Stanley as of June 30, 1996 and
1995 and for each of the years in the two-year period ended June 30, 1996, have
been included herein and in the registration statement in reliance upon the
report of KPMG, chartered accountants, appearing elsewhere herein, and upon the
authority of said firm as experts in accounting and auditing.
 
    The Financial Statements of G&K as of and for the year ended June 30, 1996
have been included herein and in the registration statement in reliance upon the
report of KPMG, chartered accountants, appearing elsewhere herein, and upon the
authority of said firm as experts in accounting and auditing.
 
    The reports of KPMG covering the financial statements of Stanley and G&K
contain explanatory paragraphs that state that accounting principles generally
accepted in Australia vary in certain significant respects from accounting
principles in the United States. The application of United States generally
accepted accounting principles would have affected results of operations and
shareholders' equity, to the extent summarized in Note 33 to the Consolidated
Financial Statements of Stanley and Note 7 to the Financial Statements of G&K.
 
                             AVAILABLE INFORMATION
 
    The Company has filed with the Securities and Exchange Commission in
Washington, D.C., a Registration Statement on Form S-2 under the Securities Act
with respect to the shares of Common Stock offered by this Prospectus. This
Prospectus does not contain all the information set forth in the Registration
Statement, certain portions of which are omitted as permitted by the rules and
regulations of the
 
                                       55
<PAGE>
Securities and Exchange Commission. For further information with respect to the
Company and the shares offered by this Prospectus, reference is made to the
Registration Statement, including the exhibits and schedules filed therewith.
Copies of the Registration Statement (of which this Prospectus is a part),
together with such exhibits and schedules, may be obtained upon payment of the
fee prescribed by the Securities and Exchange Commission or may be examined
without charge at the office of the Securities and Exchange Commission.
 
    The Company is subject to the informational requirements of the Exchange
Act, and in accordance therewith, files annual and quarterly reports, proxy
statements and other information with the Securities and Exchange Commission.
The Registration Statement, including the exhibits thereto, as well as such
reports and other information filed by the Company with the Securities and
Exchange Commission, can be inspected and copied at the public reference
facilities maintained by the Commission at 450 Fifth Street, N.W., Room 1024,
Washington, D.C., 20549; 7 World Trade Center, New York, New York 10048 and 500
West Madison Street, Suite 1400, Chicago, Illinois 60661. Copies of such
material may also be obtained from the Public Reference Section of the
Commission at 450 Fifth Street, N.W., Washington, D.C. 20549 at prescribed
rates. The Securities and Exchange Commission also maintains a site on the World
Wide Web at http://www.sec.gov that contains reports and other information
regarding registrants that file electronically with the Commission, and certain
of the Company's filings are available at such web site.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
    Incorporated by reference in this Prospectus are (i) Layne Christensen's
Annual Report on Form 10-K for the fiscal year ended January 31, 1997 (including
such information as is incorporated by reference from the Company's Proxy
Statement for the Annual Meeting of Stockholders held on May 22, 1997, filed
with the Securities and Exchange Commission on April 18, 1997), as amended; (ii)
the Company's Quarterly Report on Form 10-Q for the quarter ended April 30,
1997; and (iii) the Company's Current Reports on Form 8-K filed with the
Commission on April 9, 1997, as amended (the "April 8-K") and August 8, 1997
pursuant to Section 13 of the Securities Exchange Act of 1934 (the "Exchange
Act"). Any statement contained in a document incorporated by reference herein
shall be deemed to be modified or superseded for purposes of this Prospectus to
the extent that a statement contained herein modifies or supersedes such
statement. Any statement so modified or superseded shall not be deemed, except
as so modified or superseded, to constitute a part of this Prospectus. In
particular, the Company included certain financial projections in the April 8-K.
The Company has determined pursuant to Section 27A(d) of the Securities Act and
Section 21E(d) of the Exchange Act not to update, restate or amend such
projections at this time or issue further like projections. Rather, in
accordance with the terms of Rule 412 promulgated under the Securities Act
("Rule 412"), for purposes of this Prospectus, the Company hereby supersedes
such projections by deleting them in their entirety. As a result, such
projections are deemed not incorporated by reference into this document in
accordance with Rule 412.
 
    The Company will provide without charge to each person to whom a copy of
this Prospectus has been delivered, including any beneficial owner of Common
Stock, on the written or oral request of such person, a copy of any or all of
the foregoing documents incorporated by reference in this Prospectus, other than
exhibits to such documents unless such exhibits are specifically incorporated by
reference into the information that this Prospectus incorporates. Written or
oral requests for such copies should be directed to the Secretary, Layne
Christensen Company, 1990 Shawnee Mission Parkway, Mission Woods, Kansas 66205
(telephone: (913) 362-0510).
 
                                       56
<PAGE>
                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                                                               PAGE
                                                                                                             ---------
<S>                                                                                                          <C>
LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
Independent Auditors' Report...............................................................................        F-2
Financial Statements:
  Consolidated Balance Sheets as of January 31, 1997 and 1996 and April 30, 1997 (unaudited)...............        F-3
  Consolidated Statements of Income for the Years Ended January 31, 1997, 1996 and 1995 and for the Three
    Months Ended April 30, 1997 and 1996 (unaudited).......................................................        F-4
  Consolidated Statements of Stockholders' Equity for the Years Ended January 31, 1997, 1996 and 1995 and
    for the Three Months Ended April 30, 1997 (unaudited)..................................................        F-5
  Consolidated Statements of Cash Flows for the Years Ended January 31, 1997, 1996 and 1995 and for the
    Three Months Ended April 30, 1997 and 1996 (unaudited).................................................        F-6
  Notes to Consolidated Financial Statements (schedules have been omitted because they are not applicable
    or not required as the information is included in the consolidated financial statements of the Company
    or Notes thereto)......................................................................................        F-8
 
STANLEY MINING SERVICES LIMITED
Report of Independent Auditors.............................................................................       F-26
Consolidated Statements of Profit for the Years Ended June 30, 1996 and 1995...............................       F-27
Consolidated Balance Sheets as of June 30, 1996 and 1995...................................................       F-28
Consolidated Statements of Changes in Shareholders' Equity for Years Ended June 30, 1996 and 1995..........       F-29
Consolidated Statements of Cash Flows for the Years Ended June 30, 1996 and 1995...........................       F-30
Notes to Consolidated Financial Statements.................................................................       F-31
Unaudited Consolidated Statements of Profit for the Nine Months Ended March 31, 1997 and 1996..............       F-62
Unaudited Consolidated Balance Sheets as of March 31, 1997 and 1996........................................       F-63
Unaudited Consolidated Statements of Changes in Shareholders' Equity for the Nine Months Ended March 31,
  1997 and 1996............................................................................................       F-64
Unaudited Consolidated Statements of Cash Flows for the Nine Months Ended March 31, 1997 and 1996..........       F-65
Notes to Unaudited Consolidated Financial Statements.......................................................       F-67
 
GLINDEMANN & KITCHING PTY LTD.
Report of Independent Auditors.............................................................................       F-75
Statement of Profit for the Year Ended June 30, 1996.......................................................       F-76
Balance Sheet as of June 30, 1996..........................................................................       F-77
Statement of Changes in Shareholders' Equity for the Year Ended June 30, 1996..............................       F-78
Statement of Cash Flows for the Year Ended June 30, 1996...................................................       F-79
Notes to Financial Statements..............................................................................       F-80
Unaudited Statements of Profit for the Nine Months Ended March 31, 1997 and 1996...........................       F-91
Unaudited Balance Sheets as of March 31, 1997 and 1996.....................................................       F-92
Unaudited Statements of Changes in Shareholders' Equity for the Nine Months Ended March 31, 1997 and
  1996.....................................................................................................       F-93
Unaudited Statements of Cash Flows for the Nine Months Ended 31 March 1997 and 1996........................       F-94
Notes to Unaudited Financial Statements....................................................................       F-95
</TABLE>
 
                                      F-1
<PAGE>
                          INDEPENDENT AUDITORS' REPORT
 
Layne Christensen Company:
 
    We have audited the accompanying consolidated balance sheets of Layne
Christensen Company and subsidiaries (together, the "Company") as of January 31,
1997 and 1996, and the related consolidated statements of income, stockholders'
equity and cash flows for each of the three years in the period ended January
31, 1997. These financial statements are the responsibility of the Company's
management. Our responsibility is to express an opinion on these financial
statements based on our audits.
 
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
    In our opinion, such consolidated financial statements present fairly, in
all material respects, the financial position of the Company as of January 31,
1997 and 1996, and the results of its operations and its cash flows for each of
the three years in the period ended January 31, 1997 in conformity with
generally accepted accounting principles.
 
DELOITTE & TOUCHE LLP
 
Kansas City, Missouri
March 7, 1997
 
(July 7, 1997 as to Note 14)
 
                                      F-2
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
                          CONSOLIDATED BALANCE SHEETS
 
                        AS OF JANUARY 31, 1997 AND 1996
                         AND APRIL 30, 1997 (UNAUDITED)
 
                           (IN THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                                                                                 JANUARY 31,
                                                                                                             --------------------
                                          ASSETS                                                               1997       1996
                                                                                             APRIL 30, 1997  ---------  ---------
                                                                                             --------------
                                                                                              (UNAUDITED)
<S>                                                                                          <C>             <C>        <C>
Current assets:
  Cash and cash equivalents................................................................    $    1,218    $   1,697  $     382
  Customer receivables, less allowances of $1,349, $1,002 and $887, respectively...........        38,608       32,031     33,572
  Costs and estimated earnings in excess of billings on uncompleted contracts..............        12,126       10,284      9,777
  Inventories..............................................................................        19,024       17,739     15,495
  Deferred income taxes....................................................................         6,275        6,356      7,082
  Other....................................................................................         1,423        1,675      1,305
                                                                                             --------------  ---------  ---------
      Total current assets.................................................................        78,674       69,782     67,613
                                                                                             --------------  ---------  ---------
Property and equipment:
  Land.....................................................................................         7,922        7,922      4,469
  Buildings................................................................................        13,793       13,555     12,064
  Machinery and equipment..................................................................       103,959      101,945     93,497
                                                                                             --------------  ---------  ---------
                                                                                                  125,674      123,422    110,030
  Less--Accumulated depreciation...........................................................       (71,276)     (69,015)   (62,141)
                                                                                             --------------  ---------  ---------
      Net property and equipment...........................................................        54,398       54,407     47,889
                                                                                             --------------  ---------  ---------
Other assets:
  Investment in foreign affiliates.........................................................        17,660       17,172     14,921
  Investment in domestic affiliate.........................................................        --           --          2,203
  Intangible assets, at cost less accumulated amortization.................................           553          521        525
  Property and equipment held for sale.....................................................           536          713        198
  Other....................................................................................         1,020        1,055        828
                                                                                             --------------  ---------  ---------
      Total other assets...................................................................        19,769       19,461     18,675
                                                                                             --------------  ---------  ---------
                                                                                               $  152,841    $ 143,650  $ 134,177
                                                                                             --------------  ---------  ---------
                                                                                             --------------  ---------  ---------
</TABLE>
 
<TABLE>
<CAPTION>
                           LIABILITIES AND STOCKHOLDERS' EQUITY
<S>                                                                                          <C>             <C>        <C>
Current liabilities:
  Accounts payable.........................................................................    $   12,614    $  12,550  $  13,225
  Current maturities of long-term debt.....................................................           117          114        105
  Accrued compensation.....................................................................         6,513        8,348      8,869
  Accrued insurance expense................................................................         5,060        5,410      4,936
  Accrued integration costs................................................................           702          787      2,703
  Other accrued expenses...................................................................         7,884        6,876      7,088
  Billings in excess of costs and estimated earnings on uncompleted contracts..............         8,212        6,054      3,891
                                                                                             --------------  ---------  ---------
      Total current liabilities............................................................        41,102       40,139     40,817
                                                                                             --------------  ---------  ---------
Non-current and deferred liabilities:
  Long-term debt...........................................................................        35,783       30,314     28,428
  Deferred income taxes....................................................................         3,347        3,307      2,323
  Accrued insurance expense................................................................         6,174        5,775      6,198
  Other....................................................................................         1,935        1,451      2,439
                                                                                             --------------  ---------  ---------
      Total non-current and deferred liabilities...........................................        47,239       40,847     39,388
                                                                                             --------------  ---------  ---------
Contingencies(Note 10)
Stockholders' equity:
  Preferred stock, par value $.01 per share, 5,000,000 shares authorized, none issued and
    outstanding............................................................................        --           --         --
  Common stock, par value $.01 per share, 30,000,000 shares authorized, 8,874,991,
    8,871,467 and 8,839,845 shares issued and outstanding, respectively....................            89           89         88
  Capital in excess of par value...........................................................        39,407       39,293     38,954
  Retained earnings........................................................................        25,870       24,187     16,170
  Notes receivable from management stockholders............................................          (175)        (199)      (313)
  Unrecognized pension cost................................................................          (604)        (624)      (777)
  Cumulative translation adjustment........................................................           (87)         (82)      (150)
                                                                                             --------------  ---------  ---------
          Total stockholders' equity.......................................................        64,500       62,664     53,972
                                                                                             --------------  ---------  ---------
                                                                                               $  152,841    $ 143,650  $ 134,177
                                                                                             --------------  ---------  ---------
                                                                                             --------------  ---------  ---------
</TABLE>
 
                See Notes to Consolidated Financial Statements.
 
                                      F-3
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
                       CONSOLIDATED STATEMENTS OF INCOME
              FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995
         AND THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
           (IN THOUSANDS OF DOLLARS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                    THREE MONTHS ENDED APRIL
                                              30,              FISCAL YEAR ENDED JANUARY 31,
                                    ------------------------  -------------------------------
                                       1997         1996        1997       1996       1995
                                    -----------  -----------  ---------  ---------  ---------
                                    (UNAUDITED)
<S>                                 <C>          <C>          <C>        <C>        <C>
Revenues:
  Service revenues................   $  49,471    $  47,256   $ 196,544  $ 153,755  $ 156,121
  Product sales...................       8,279        6,517      26,309     13,516     10,709
                                    -----------  -----------  ---------  ---------  ---------
      Total revenues..............      57,750       53,773     222,853    167,271    166,830
                                    -----------  -----------  ---------  ---------  ---------
Cost of revenues (exclusive of
  depreciation shown below):
  Cost of service revenues........      36,202       34,976     142,562    111,061    115,231
  Cost of product sales...........       5,943        4,727      19,040     11,017      8,583
                                    -----------  -----------  ---------  ---------  ---------
      Total cost of revenues......      42,145       39,703     161,602    122,078    123,814
                                    -----------  -----------  ---------  ---------  ---------
Gross profit......................      15,605       14,070      61,251     45,193     43,016
Selling, general and
  administrative expenses.........      10,327        9,737      38,956     28,260     28,860
Depreciation......................       2,832        2,841      10,974      8,233      7,811
                                    -----------  -----------  ---------  ---------  ---------
Operating income..................       2,446        1,492      11,321      8,700      6,345
Other income (expense):
  Equity earnings of foreign
  affiliates......................         820        1,102       3,895     --         --
  Interest........................        (614)        (679)     (2,447)      (767)      (779)
  Other, net......................          62           90         161        407        (84)
                                    -----------  -----------  ---------  ---------  ---------
Income before income taxes........       2,714        2,005      12,930      8,340      5,482
Income tax expense................       1,031          902       4,913      3,753      2,522
                                    -----------  -----------  ---------  ---------  ---------
Net income........................   $   1,683    $   1,103   $   8,017  $   4,587  $   2,960
                                    -----------  -----------  ---------  ---------  ---------
                                    -----------  -----------  ---------  ---------  ---------
Net income per common and dilutive
  equivalent share................   $    0.18    $    0.12   $    0.88  $    0.61  $    0.40
                                    -----------  -----------  ---------  ---------  ---------
                                    -----------  -----------  ---------  ---------  ---------
Weighted average number of common
  and dilutive equivalent shares
  outstanding:
    Weighted average shares
      outstanding.................   8,872,000    8,845,000   8,865,000  7,451,000  7,301,000
    Dilutive stock options........     362,000       67,000     281,000     66,000     47,000
                                    -----------  -----------  ---------  ---------  ---------
                                     9,234,000    8,912,000   9,146,000  7,517,000  7,348,000
                                    -----------  -----------  ---------  ---------  ---------
                                    -----------  -----------  ---------  ---------  ---------
</TABLE>
 
                See Notes to Consolidated Financial Statements.
 
                                      F-4
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
 
              FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995
             AND THE THREE MONTHS ENDED APRIL 30, 1997 (UNAUDITED)
                           (IN THOUSANDS OF DOLLARS)
<TABLE>
<CAPTION>
                                                                                                NOTES
                                                                                             RECEIVABLE
                                              COMMON STOCK       CAPITAL IN                     FROM         UNRECOGNIZED
                                         ----------------------   EXCESS OF    RETAINED      MANAGEMENT         PENSION
                                          SHARES      AMOUNT      PAR VALUE    EARNINGS     STOCKHOLDERS         COST
                                         ---------  -----------  -----------  -----------  ---------------  ---------------
<S>                                      <C>        <C>          <C>          <C>          <C>              <C>
Balance, February 1, 1994..............  7,301,002   $      73    $  29,580    $   8,623      $    (391)       $    (516)
  Issuance of notes receivable from
    management.........................     --          --           --           --                (50)          --
  Payments on notes receivables........     --          --           --           --                106           --
  Unrecognized pension liability.......     --          --           --           --             --                   28
  Net income...........................     --          --           --            2,960         --               --
  Cumulative translation adjustment....     --          --           --           --             --               --
                                         ---------         ---   -----------  -----------         -----            -----
Balance, January 31, 1995..............  7,301,002          73       29,580       11,583           (335)            (488)
  Issuance of stock for acquisition....  1,506,194          15        9,158       --             --               --
  Issuance of stock for incentive
    compensation program...............     32,649      --              216       --             --               --
  Payments on notes receivable.........     --          --           --           --                 22           --
  Unrecognized pension liability.......     --          --           --           --             --                 (289)
  Net income...........................     --          --           --            4,587         --               --
  Cumulative translation adjustment....     --          --           --           --             --               --
                                         ---------         ---   -----------  -----------         -----            -----
Balance, January 31, 1996..............  8,839,845          88       38,954       16,170           (313)            (777)
  Issuance of stock for incentive
    compensation program...............     31,622           1          339       --             --               --
  Payments on notes receivable.........     --          --           --           --                114           --
  Unrecognized pension liability.......     --          --           --           --             --                  153
  Net income...........................     --          --           --            8,017         --               --
  Cumulative translation adjustment....     --          --           --           --             --               --
                                         ---------         ---   -----------  -----------         -----            -----
Balance, January 31, 1997..............  8,871,467          89       39,293       24,187           (199)            (624)
  Unaudited:
  Issuance of stock for incentive
    compensation program...............      3,524      --              114       --             --               --
  Payments on notes receivable.........     --          --           --           --                 24           --
  Unrecognized pension liability.......     --          --           --           --             --                   20
  Net income...........................     --          --           --            1,683         --               --
  Cumulative translation adjustment....     --          --           --           --             --               --
                                         ---------         ---   -----------  -----------         -----            -----
Balance, April 30, 1997 (unaudited)....  8,874,991   $      89    $  39,407    $  25,870      $    (175)       $    (604)
                                         ---------         ---   -----------  -----------         -----            -----
                                         ---------         ---   -----------  -----------         -----            -----
 
<CAPTION>
 
                                           CUMULATIVE
                                           TRANSLATION
                                           ADJUSTMENT
                                         ---------------
<S>                                      <C>
Balance, February 1, 1994..............     $     (21)
  Issuance of notes receivable from
    management.........................        --
  Payments on notes receivables........        --
  Unrecognized pension liability.......        --
  Net income...........................        --
  Cumulative translation adjustment....          (119)
                                                  ---
Balance, January 31, 1995..............          (140)
  Issuance of stock for acquisition....        --
  Issuance of stock for incentive
    compensation program...............        --
  Payments on notes receivable.........        --
  Unrecognized pension liability.......        --
  Net income...........................        --
  Cumulative translation adjustment....           (10)
                                                  ---
Balance, January 31, 1996..............          (150)
  Issuance of stock for incentive
    compensation program...............        --
  Payments on notes receivable.........        --
  Unrecognized pension liability.......        --
  Net income...........................        --
  Cumulative translation adjustment....            68
                                                  ---
Balance, January 31, 1997..............           (82)
  Unaudited:
  Issuance of stock for incentive
    compensation program...............        --
  Payments on notes receivable.........        --
  Unrecognized pension liability.......        --
  Net income...........................        --
  Cumulative translation adjustment....            (5)
                                                  ---
Balance, April 30, 1997 (unaudited)....     $     (87)
                                                  ---
                                                  ---
</TABLE>
 
                See Notes to Consolidated Financial Statements.
 
                                      F-5
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
              FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995
         AND THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
                           (IN THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                      THREE MONTHS ENDED
                                                          APRIL 30,         FISCAL YEAR ENDED JANUARY 31,
                                                     --------------------  -------------------------------
                                                       1997       1996       1997       1996       1995
                                                     ---------  ---------  ---------  ---------  ---------
                                                         (UNAUDITED)
<S>                                                  <C>        <C>        <C>        <C>        <C>
Cash flow from operating activities:
  Net income.......................................  $   1,683  $   1,103  $   8,017  $   4,587  $   2,960
  Adjustments to reconcile net income to cash from
    operations:
  Depreciation and amortization....................      2,877      2,872     11,261      8,392      7,978
  Deferred income taxes............................        511        313      1,710        (48)       677
  Equity earnings of foreign affiliates............       (820)    (1,102)    (3,895)    --         --
  Dividends received from foreign affiliates.......        351        482      1,990        279     --
  (Gain) loss from disposal of property and
    equipment......................................        (22)       (19)       110       (330)      (164)
  Changes in current assets and liabilities, net of
    effects from acquisitions:
    (Increase) decrease in customer receivables....     (6,577)    (1,120)     2,275     (1,490)     1,884
    Increase in costs and estimated earnings in
      excess of billings on uncompleted
      contracts....................................     (1,842)    (2,491)      (507)      (402)    (1,059)
    (Increase) decrease in inventories.............     (1,285)      (533)    (1,623)      (345)       996
    (Increase) decrease in other current assets....        252       (656)      (370)      (185)     1,202
    Increase (decrease) in accounts payable and
      accrued expenses.............................     (1,588)    (2,050)    (2,987)    (5,374)     8,478
    Increase in billings in excess of costs and
      estimated earnings on uncompleted
      contracts....................................      2,158        409      2,163      1,304        786
    Other, net.....................................      1,012        296     (1,028)       880       (430)
                                                     ---------  ---------  ---------  ---------  ---------
    Cash from operating activities.................     (3,290)    (2,496)    17,116      7,268     23,308
                                                     ---------  ---------  ---------  ---------  ---------
Cash flow from investing activities:
  Additions to property and equipment..............     (2,873)    (3,168)   (18,544)   (12,454)    (8,732)
  Proceeds from disposal of property and
    equipment......................................         25     --          1,070        798        348
  Proceeds from disposal of property held for
    disposal.......................................        182        179     --            486      1,386
  Acquisition, net of cash acquired................     --         --         --        (22,801)    --
  Investment in foreign affiliate..................        (19)    --           (346)      (200)    --
  Investment in domestic affiliate.................     --            180        282       (118)    --
                                                     ---------  ---------  ---------  ---------  ---------
  Cash from investing activities...................     (2,685)    (2,809)   (17,538)   (34,289)    (6,998)
                                                     ---------  ---------  ---------  ---------  ---------
</TABLE>
 
                                                                     (CONTINUED)
 
                See Notes to Consolidated Financial Statements.
 
                                      F-6
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
               CONSOLIDATED STATEMENTS OF CASH FLOWS (CONTINUED)
 
              FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995
         AND THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
                           (IN THOUSANDS OF DOLLARS)
 
<TABLE>
<CAPTION>
                                                      THREE MONTHS ENDED
                                                          APRIL 30,         FISCAL YEAR ENDED JANUARY 31,
                                                     --------------------  -------------------------------
                                                       1997       1996       1997       1996       1995
                                                     ---------  ---------  ---------  ---------  ---------
                                                         (UNAUDITED)
<S>                                                  <C>        <C>        <C>        <C>        <C>
Cash flow from financing activities:
  Proceeds from long-term debt.....................     --         25,000     25,000     25,000     --
  Net borrowings under revolving credit facility...      5,500      4,000        500      3,500     --
  Repayments of long-term debt.....................        (28)   (23,526)   (23,605)    (1,508)   (21,900)
  Issuance of notes receivable from management
    stockholders...................................     --         --         --         --            (50)
  Payments on notes receivable from management
    stockholders...................................         24         21        114         22        106
  Debt issuance costs..............................     --           (191)      (272)      (190)       (92)
                                                     ---------  ---------  ---------  ---------  ---------
  Cash from financing activities...................      5,496      5,304      1,737     26,824    (21,936)
                                                     ---------  ---------  ---------  ---------  ---------
Effects of exchange rate changes on cash...........     --         --         --         --           (401)
                                                     ---------  ---------  ---------  ---------  ---------
Net increase (decrease) in cash and cash
  equivalents......................................       (479)        (1)     1,315       (197)    (6,027)
Cash and cash equivalents at beginning of period...      1,697        382        382        579      6,606
                                                     ---------  ---------  ---------  ---------  ---------
Cash and cash equivalents at end of period.........  $   1,218  $     381  $   1,697  $     382  $     579
                                                     ---------  ---------  ---------  ---------  ---------
                                                     ---------  ---------  ---------  ---------  ---------
</TABLE>
 
                See Notes to Consolidated Financial Statements.
 
                                      F-7
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
    Description of Business--Layne Christensen Company and subsidiaries
(together, the "Company") provides comprehensive services for water well
drilling (including related equipment sales), well repair and maintenance and
environmental drilling in most regions in the United States, and provides
mineral exploration drilling services primarily in the United States, Mexico,
Canada and South America. Its customers include municipalities, industrial
companies, mining companies and environmental consulting and engineering firms.
In addition, the Company manufactures diamond core bits, drilling rigs and other
equipment utilized in the mineral exploration and mine development markets
throughout the United States and internationally.
 
    Fiscal Year--References to years are to the fiscal years then ended.
 
    Investment in Affiliated Companies--Investments in affiliates (33% to 50%
owned) in which the Company exercises significant influence over operating and
financial policies are accounted for on the equity method.
 
    Principles of Consolidation--The consolidated financial statements include
the accounts of the Company and its wholly-owned subsidiaries. All significant
intercompany transactions have been eliminated. Financial information for the
Company's foreign subsidiaries and affiliates is generally reported in the
Company's consolidated financial statements on a one month lag.
 
    Use of Estimates in Preparing Financial Statements--The preparation of
financial statements in conformity with generally accepted accounting principles
requires management to make estimates and assumptions that affect the reported
amounts of assets and liabilities and disclosure of contingent assets and
liabilities at the date of the financial statements and the reported amounts of
revenues and expenses during the reporting period. Actual results could differ
from those estimates.
 
    Foreign Currency Transactions and Translation--The cash flows and financing
activities of the Company's Mexican subsidiary are primarily denominated in the
U.S. dollar. Accordingly, this subsidiary uses the U.S. dollar as its functional
currency and translates monetary assets and liabilities at year-end exchange
rates while nonmonetary items are translated at historical rates. Income and
expense accounts are translated at the average rates in effect during the year,
except for depreciation, certain cost of revenues and selling expenses. Gains or
losses from changes in exchange rates are recognized in consolidated income in
the year of occurrence.
 
    Other foreign subsidiaries and affiliates use local currencies as their
functional currency. Assets and liabilities have been translated to U.S. dollars
at year-end exchange rates. Income and expense items have been translated at
exchange rates which approximate the average of the rates prevailing during each
year. Translation adjustments are reported as a separate component of
stockholders' equity.
 
    Net foreign currency transaction gains and losses for the three months ended
April 30, 1997 and 1996, and 1997 and 1996 are not significant. Included in the
consolidated statement of income for 1995 are net losses of $474,000.
 
    Revenue Recognition--Revenue is recognized on large, long-term contracts
using the percentage of completion method based upon materials installed and
labor costs incurred. Changes in job performance, job conditions, and estimated
profitability, including those arising from contract penalty provisions, and
final contract settlements may result in revisions to costs and income and are
recognized in the period in
 
                                      F-8
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
which the revisions are determined. Revenue is recognized on smaller, short-term
contracts using the completed contract method. Provisions for estimated losses
on uncompleted contracts are made in the period in which such losses are
determined.
 
    Inventories--The Company values inventories at the lower of cost (first-in,
first-out, including material, labor, and manufacturing overhead costs) or
market (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                              JANUARY 31,
                                                               APRIL 30,  --------------------
                                                                 1997       1997       1996
                                                               ---------  ---------  ---------
<S>                                                            <C>        <C>        <C>
Raw materials................................................  $   1,879  $   1,790  $   2,070
Work in process..............................................      1,755      1,568        846
Finished products, parts and supplies........................     15,390     14,381     12,579
                                                               ---------  ---------  ---------
    Total....................................................  $  19,024  $  17,739  $  15,495
                                                               ---------  ---------  ---------
                                                               ---------  ---------  ---------
</TABLE>
 
    Property and Equipment and Related Depreciation--Property and equipment
(including major renewals and improvements) are recorded at cost. Property and
equipment held for sale is carried at the lower of depreciated cost or estimated
net realizable value. Depreciation is provided using the straight-line method.
The lives used for the more significant items within each property
classification are as follows:
 
<TABLE>
<CAPTION>
                                                                                         YEARS
                                                                                       ---------
<S>                                                                                    <C>
Buildings............................................................................      15-35
Machinery and equipment..............................................................       3-10
</TABLE>
 
    Intangible Assets--Intangible assets consist of purchased technical manuals,
well records and other assets which are being amortized over their estimated
economic lives which, for the more significant items, range from three to
thirty-five years. Amortization expense for intangible assets, excluding
amortization related to foreign affiliates, was $116,000, $125,000 and $144,000
for 1997, 1996 and 1995, respectively and $45,000 and $31,000 for the three
months ended April 30, 1997 and 1996, respectively. Accumulated amortization of
intangible assets at April 30, 1997, January 31, 1997 and 1996 was $754,000,
$709,000 and $593,000, respectively.
 
    Impairment of Long-Lived Assets--At each balance sheet date, a determination
is made by management as to whether the value of long-lived assets, including
intangible assets and assets to be disposed of, has been impaired. The
determination is based on several criteria, including, but not limited to,
revenue trends, undiscounted operating cash flows and other operating factors.
 
    Effective February 1, 1996, the Company adopted the provisions of Statement
of Financial Accounting Standards ("SFAS") No. 121, "Accounting for the
Impairment of Long-Lived Assets and for Long-Lived Assets to be Disposed of."
The adoption did not have a material effect on the consolidated financial
statements.
 
    Accrued Insurance Expense--Costs estimated to be incurred in the future for
employee medical benefits and casualty insurance programs resulting from claims
which have occurred are accrued currently. Under the terms of the Company's
agreement with the various insurance carriers administering these
 
                                      F-9
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
claims, the Company is not required to remit the total premium until the claims
are actually paid by the insurance companies (see Note 10).
 
    Fair Value of Financial Instruments--SFAS No. 107, "Disclosures About Fair
Value of Financial Instruments", requires disclosure of the fair value of
certain financial instruments for which it is practicable to estimate that
value. The carrying amounts of financial instruments including cash and cash
equivalents, customer receivables, accounts payable and debt approximate fair
value at January 31, 1997 and 1996 because of the relatively short maturity of
those instruments.
 
    Consolidated Statements of Cash Flows--Highly liquid investments with a
remaining maturity of three months or less at the time of purchase are
considered cash equivalents. The Company's cash equivalents consist principally
of funds deposited in a short-term asset management account and are carried at
cost which approximates market. The amounts paid for income taxes and interest
are as follows (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                              APRIL 30,                  JANUARY 31,
                                                         --------------------  -------------------------------
                                                           1997       1996       1997       1996       1995
                                                         ---------  ---------  ---------  ---------  ---------
<S>                                                      <C>        <C>        <C>        <C>        <C>
Income taxes...........................................  $     386  $     171  $   2,855  $   3,743  $   1,625
Interest...............................................      1,012        464      1,750        631        785
</TABLE>
 
    Supplemental Noncash Transactions--In 1996, the Company issued 1,506,194
shares of Common Stock in connection with an acquisition of a business (see Note
2). The following table summarizes the Company's acquisition in 1996 (in
thousands of dollars):
 
<TABLE>
<S>                                                                  <C>
Fair value of assets acquired......................................  $  49,674
Less: liabilities incurred or assumed..............................     26,873
                                                                     ---------
Cash paid, net of cash acquired....................................  $  22,801
                                                                     ---------
                                                                     ---------
</TABLE>
 
    During the three months ended April 30, 1997 and in 1997 and 1996, the
Company issued 3,524, 31,622 and 32,649 shares, respectively, of Common Stock to
employees related to 1997, 1996 and 1995 compensation awards. The 1997
compensation awards also included 15,727 stock options issued to employees
during the three months ended April 30, 1997. The total value of these awards
was approximately $114,000, $340,000 and $216,000, respectively, which was
accrued at January 31, 1997, 1996 and 1995, respectively.
 
    Income Taxes--Income taxes are provided using the asset/liability method, in
which deferred taxes are recognized for the tax consequences of temporary
differences between the financial statement carrying amounts and tax bases of
existing assets and liabilities. See Note 5.
 
    Earnings Per Share--Earnings per common share are based upon the weighted
average number of common and dilutive equivalent shares outstanding. Options to
purchase Common Stock are included based on the treasury stock method except
when their effect is antidilutive.
 
    Effective for the Company's financial statements as of January 31, 1998,
SFAS No. 128, "Earnings Per Share," specified the computation, presentation and
disclosure requirements for earnings per share. At the
 
                                      F-10
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(1) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
effective date, all prior period earnings per share data presented will be
restated to conform with the provisions of the Statement. Management believes
there will be no significant impact on earnings per share as a result of the
adoption of this statement.
 
    Stock-Based Compensation--Effective February 1, 1996, the Company adopted
the disclosure provisions of SFAS No. 123, "Accounting for Stock-Based
Compensation." Under SFAS 123, stock-compensation would be accounted for based
on the estimated fair value of the awards at the date they are granted. As
permitted by the Statement, the Company will continue to account for its
stock-based compensation programs (see Note 9) under APB Opinion No. 25 which
requires compensation cost to be recognized based on the difference, if any,
between the market price of the stock at the date of grant and the amount the
employee must pay to acquire the stock. Pro forma net income and earnings per
share for 1997, determined as if the new method had been applied, would have
been $7,842,000 and $0.86, respectively. As there were no options granted during
1996, there is no pro forma effect on 1996 results. Because the SFAS 123 method
of accounting has not been applied to options granted prior to 1996, the pro
forma compensation cost may not be representative of that to be expected on a
pro forma basis in future years.
 
    Interim Financial Statements--The accompanying unaudited consolidated
financial statements, as of April 30, 1997 and for the three months ended April
30, 1997 and 1996 include all adjustments (consisting only of normal recurring
accruals) which, in the opinion of management, are necessary for a fair
presentation of financial position, results of operations and cash flows.
Results of operations for interim periods are not necessarily indicative of
results to be expected for a full year.
 
    Reclassifications--Certain 1996 and 1995 amounts have been reclassified to
conform with the 1997 presentation.
 
(2) ACQUISITIONS
 
    Pursuant to an Agreement and Plan of Merger (the "Merger Agreement"), on
December 28, 1995, the Company purchased all of the outstanding shares and
options for Common Stock of Christensen Boyles Corporation ("CBC") for
approximately 1,506,000 shares of restricted Common Stock of the Company and
approximately $9,056,000 in cash and accrued $2,800,000 (and related tax
benefits of $1,081,000) for integration costs and $460,000 for transaction
costs. The restricted Common Stock of the Company issued in connection with the
Merger was valued at $6.09 per share, as determined by a fair market-value
analysis conducted by an independent investment banking firm. The acquisition is
referred to as the "CBC Merger". The Company also paid-off approximately
$13,971,000 and assumed $1,491,000 of CBC's existing indebtedness. A portion of
the cost of the CBC Merger was financed by a $25,000,000 term loan (see Note 8).
The Company's consolidated results include the operations of CBC from the date
of acquisition. The CBC Merger was accounted for using the purchase method of
accounting. The purchase price of $20,408,000 was allocated based on estimated
fair values at the date of the CBC Merger.
 
    Pursuant to the Merger Agreement, as of January 31, 1997, a total of 646,187
shares of the Company's Common Stock remain deposited in escrow with an
independent escrow agent to provide security to the Company for the accuracy and
performance of the covenants and warranties made by the parties to the Merger
Agreement (other than the Company). All such shares are shown as outstanding and
issued as of
 
                                      F-11
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(2) ACQUISITIONS (CONTINUED)
the date of the CBC Merger. The shares are to be released from escrow on the
second and third anniversary of the CBC Merger, pending any claims filed.
 
    The integration costs accrued in connection with the acquisition included
costs for consolidating certain CBC facilities into Company facilities and
closing one CBC manufacturing facility. The remaining balance of $702,000 and
$787,000 at April 30, 1997 and January 31, 1997, respectively, consists
primarily of lease termination costs, employee termination benefits, and asset
relocation costs. These actions are expected to be substantially completed
during 1998.
 
(3) INVESTMENTS IN FOREIGN AFFILIATES
 
    Primarily as a result of the CBC Merger (see Note 2), the Company has
investments in foreign affiliates. The Company's investments in foreign
affiliates are carried at the Company's equity in the underlying net assets plus
an additional $4,753,000 as a result of purchase accounting. This additional
amount is being amortized over the remaining useful lives of the applicable
underlying assets ranging from 20-35 years. Accumulated amortization at April 30
and January 31, 1997 was $163,000 and $130,000, respectively. Amortization
expense amounted to $33,000 for the three months ended April 30, 1997 and 1996
and $131,000 for the fiscal year ended January 31, 1997. These affiliates, which
generally are engaged in mineral exploration drilling and the manufacture and
supply of drilling equipment, parts and supplies, are as follows:
 
<TABLE>
<CAPTION>
                                                                             PERCENTAGE OWNED
                                                                             -----------------
<S>                                                                          <C>
Christensen Chile, S.A. (Chile)............................................       49.99%
Christensen Commercial, S.A. (Chile).......................................       50.00%
Geotec Boyles Bros., S.A. (Chile)..........................................       49.75%
Boyles Bros. Diamantina, S.A. (Peru).......................................       35.375%
Christensen Commercial, S.A. (Peru)........................................       50.00%
Geotec, S.A. (Peru)........................................................       35.375%
Boytec, S.A. (Panama)......................................................       49.99%
Technidrill, Ltd. (France).................................................       49.00%
Christensen Boyles GmbH (Germany)..........................................       33.35%
Plantation International(Chile)............................................       50.00%
</TABLE>
 
    Financial information from foreign affiliates is reported on a one month
lag. As the Company had no investments in foreign affiliates prior to December
28, 1995, no equity in earnings was recorded for the period December 28, 1995
(the CBC acquisition date) to January 31, 1996. Such amount is not considered
 
                                      F-12
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(3) INVESTMENTS IN FOREIGN AFFILIATES (CONTINUED)
significant. Summarized financial information of the Company's foreign
affiliates, as of January 31, 1997 and 1996 and for the year ended January 31,
1997 were as follows (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                            1997       1996
                                                                          ---------  ---------
<S>                                                                       <C>        <C>
Total assets............................................................  $  68,576  $  52,237
Total liabilities.......................................................     35,993     30,157
Revenues................................................................     94,182     --
Gross profit............................................................     69,577     --
Operating income........................................................     14,651     --
Net income..............................................................     10,043     --
</TABLE>
 
    The Company has transactions and balances with foreign affiliates which
resulted in the following amounts being included in the consolidated financial
statements as of January 31, 1997 and 1996 and for the years then ended (in
thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                               1997       1996
                                                                             ---------  ---------
<S>                                                                          <C>        <C>
Accounts receivable........................................................  $   1,480  $   1,116
Revenues...................................................................      5,924     --
</TABLE>
 
    Undistributed equity earnings of foreign affiliates totaled $1,905,000 as of
January 31, 1997. No individual affiliate represents more than 13% of earnings
before taxes or total assets of the Company as of January 31, 1997.
 
(4) COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS
 
<TABLE>
<CAPTION>
                                                                                                  JANUARY 31,
                                                                                   APRIL 30,  --------------------
                                                                                     1997       1997       1996
                                                                                   ---------  ---------  ---------
<S>                                                                                <C>        <C>        <C>
                                                                                      (IN THOUSANDS OF DOLLARS)
Costs incurred on uncompleted contracts..........................................  $  51,490  $  44,165  $  30,672
Estimated earnings...............................................................     20,522     19,453     14,764
                                                                                   ---------  ---------  ---------
                                                                                      72,012     63,618     45,436
Less: Billings to date...........................................................     68,098     59,388     39,550
                                                                                   ---------  ---------  ---------
                                                                                   $   3,914  $   4,230  $   5,886
                                                                                   ---------  ---------  ---------
                                                                                   ---------  ---------  ---------
Included in accompanying balance sheets under the following captions:
  Costs and estimated earnings in excess of billings on uncompleted contracts....  $  12,126  $  10,284  $   9,777
  Billings in excess of costs and estimated earnings on uncompleted contracts....     (8,212)    (6,054)    (3,891)
                                                                                   ---------  ---------  ---------
                                                                                   $   3,914  $   4,230  $   5,886
                                                                                   ---------  ---------  ---------
                                                                                   ---------  ---------  ---------
</TABLE>
 
                                      F-13
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(4) COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (CONTINUED)
    The Company generally does not bill contract retainage amounts until the
contract is completed. The Company bills its customers based on specific
contract terms. Substantially all billed amounts are collectible within one
year.
 
(5) INCOME TAXES
 
    Income before income taxes is as follows (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                    1997       1996       1995
                                                                  ---------  ---------  ---------
<S>                                                               <C>        <C>        <C>
Domestic........................................................  $   8,206  $   8,551  $   5,121
Foreign.........................................................      4,724       (211)       361
                                                                  ---------  ---------  ---------
                                                                  $  12,930  $   8,340  $   5,482
                                                                  ---------  ---------  ---------
                                                                  ---------  ---------  ---------
</TABLE>
 
    Components of the income tax expense are (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                     1997       1996       1995
                                                                   ---------  ---------  ---------
<S>                                                                <C>        <C>        <C>
Currently due:
  U.S. Federal and state.........................................  $   2,406  $   3,851  $   1,679
  Foreign........................................................        893       (230)       183
                                                                   ---------  ---------  ---------
                                                                       3,299      3,621      1,862
                                                                   ---------  ---------  ---------
Deferred:
  U.S. Federal and state.........................................      1,157       (189)       660
  Foreign........................................................        457        321     --
                                                                   ---------  ---------  ---------
                                                                       1,614        132        660
                                                                   ---------  ---------  ---------
                                                                   $   4,913  $   3,753  $   2,522
                                                                   ---------  ---------  ---------
                                                                   ---------  ---------  ---------
</TABLE>
 
                                      F-14
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(5) INCOME TAXES (CONTINUED)
    Deferred income taxes result from temporary differences between the
financial statement and tax basis of the Company's assets and liabilities. The
sources of these differences and their cumulative tax effects are (in thousands
of dollars):
 
<TABLE>
<CAPTION>
                                                         JANUARY 31, 1997                   JANUARY 31, 1996
                                                 ---------------------------------  ---------------------------------
                                                  ASSETS    LIABILITIES    TOTAL     ASSETS    LIABILITIES    TOTAL
                                                 ---------  -----------  ---------  ---------  -----------  ---------
<S>                                              <C>        <C>          <C>        <C>        <C>          <C>
Contract income................................  $   2,642   $  --       $   2,642  $   1,271   $  --       $   1,271
Accrued insurance expense......................      1,521      --           1,521      1,447      --           1,447
Employee compensation..........................        801      --             801        688      --             688
Bad debts......................................        338      --             338        370      --             370
Inventory reserves.............................        607      --             607      1,229      --           1,229
Product guaranty...............................        186      --             186        282      --             282
Accrued acquisition integration costs..........        294      --             294      1,044      --           1,044
Other..........................................        531        (564)        (33)       998        (247)        751
                                                 ---------  -----------  ---------  ---------  -----------  ---------
  Current......................................      6,920        (564)      6,356      7,329        (247)      7,082
                                                 ---------  -----------  ---------  ---------  -----------  ---------
Accelerated depreciation.......................     --          (6,562)     (6,562)    --          (6,225)     (6,225)
Accrued insurance expense......................      2,154      --           2,154      2,394      --           2,394
Net operating loss carryforward................        694      --             694      1,178      --           1,178
Employee compensation..........................     --            (205)       (205)    --            (219)       (219)
Other..........................................        626         (14)        612        613         (64)        549
                                                 ---------  -----------  ---------  ---------  -----------  ---------
  Noncurrent...................................      3,474      (6,781)     (3,307)     4,185      (6,508)     (2,323)
                                                 ---------  -----------  ---------  ---------  -----------  ---------
                                                 $  10,394   $  (7,345)  $   3,049  $  11,514   $  (6,755)  $   4,759
                                                 ---------  -----------  ---------  ---------  -----------  ---------
                                                 ---------  -----------  ---------  ---------  -----------  ---------
</TABLE>
 
    For the year ended January 31, 1997, deferred income tax assets, net of
deferred income tax liabilities, decreased by $1,710,000. Of this decrease,
$1,614,000 was recorded as deferred income tax expense in the income tax
provision and $96,000 was recorded in Stockholder's Equity pursuant to the
application of SFAS No. 87, "Employers Accounting for Pensions" (see Note 7).
Management has determined that no valuation allowance for the deferred tax
assets is necessary based on all available evidence.
 
    For federal income tax purposes, the Company has a tax net operating loss
carryforward of $1,862,000 relating to the company acquired in the CBC Merger
(see Note 2) and therefore subject to certain restrictions, which expires during
the years ending 2008, 2009 and 2010.
 
    At January 31, 1997, undistributed earnings of foreign subsidiaries and
foreign affiliates include $11,375,000 for which no federal income and foreign
withholding taxes have been provided as foreign tax credits should become
available under current tax law to significantly reduce or eliminate the
resulting U.S. income tax liability.
 
                                      F-15
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(5) INCOME TAXES (CONTINUED)
    A reconciliation of the total income tax expense to the statutory federal
rate is as follows (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                1997                    1996                    1995
                                       ----------------------  ----------------------  ----------------------
                                                   EFFECTIVE               EFFECTIVE               EFFECTIVE
                                        AMOUNT       RATE       AMOUNT       RATE       AMOUNT       RATE
                                       ---------  -----------  ---------  -----------  ---------  -----------
<S>                                    <C>        <C>          <C>        <C>          <C>        <C>
Income tax at statutory rate.........  $   4,397        34.0%  $   2,836        34.0%  $   1,864        34.0%
State income tax, net of federal
  income tax benefit.................        570         4.4         355         4.3         290         5.3
Difference in tax expense resulting
  from:
  Non-deductible expenses............        692         5.4         618         7.4         322         5.9
  Income of foreign affiliates.......       (774)       (6.0)     --          --          --          --
  Other, net.........................         28          .2         (56)        (.7)         46          .8
                                       ---------         ---   ---------         ---   ---------         ---
                                       $   4,913        38.0%  $   3,753        45.0%  $   2,522        46.0%
                                       ---------         ---   ---------         ---   ---------         ---
                                       ---------         ---   ---------         ---   ---------         ---
</TABLE>
 
(6) LEASES
 
    Future minimum rental payments required under operating leases that have
initial or remaining noncancellable lease terms in excess of one year from
January 31, 1997 are as follows (in thousands of dollars):
 
<TABLE>
<S>                                                                <C>
1998.............................................................  $   4,178
1999.............................................................      2,648
2000.............................................................      1,645
2001.............................................................        403
2002.............................................................         16
</TABLE>
 
    Principal operating leases are for equipment, office and shop facilities.
Equipment leases are primarily for automobiles and small trucks, which are
leased from independent leasing companies under master lease arrangements. Rent
expense under operating leases (including minor amounts of contingent rental
payments) was $5,010,000, $3,298,000 and $2,749,000, in 1997, 1996 and 1995,
respectively.
 
                                      F-16
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(7) EMPLOYEE BENEFITS PLANS
 
    The Company sponsors pension plans covering certain hourly employees not
covered by union-sponsored, multi-employer plans. Benefits are computed based
mainly on years of service. The Company makes annual contributions to the plans
substantially equal to the amounts required to maintain the qualified status of
the plans. Contributions are intended to provide for benefits related to past
and current service with the Company. Assets of the plans consist primarily of
stocks, bonds and government securities.
 
    The following table sets forth the plans' funded status as of December 31,
1996 and 1995 (the measurement dates) and the amounts recognized in the
Company's balance sheets at January 31, 1997 and 1996 (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                                                   1997       1996
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
Accumulated vested benefit obligations.........................................................  $   4,832  $   4,794
Accumulated non-vested benefit obligation......................................................        117        107
                                                                                                 ---------  ---------
    Accumulated benefit obligations............................................................  $   4,949  $   4,901
                                                                                                 ---------  ---------
                                                                                                 ---------  ---------
Projected benefit obligations for service rendered to date.....................................     (4,949)    (4,901)
Plan assets at fair value......................................................................      4,398      4,049
                                                                                                 ---------  ---------
Projected benefit obligation in excess of plan assets..........................................       (551)      (852)
Unrecognized net loss..........................................................................      1,365      1,672
Prior service cost not yet recognized in net periodic pension cost.............................         92        128
Unrecognized net obligation being recognized over the average expected remaining life of the
  participants.................................................................................       (345)      (407)
Adjustment required to recognize minimum liability.............................................     (1,109)    (1,393)
                                                                                                 ---------  ---------
    Pension liability recognized in the balance sheets.........................................  $    (548) $    (852)
                                                                                                 ---------  ---------
                                                                                                 ---------  ---------
</TABLE>
 
    Net periodic pension cost for 1997, 1996 and 1995 includes the following
components (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                        1997       1996       1995
                                                                      ---------  ---------  ---------
<S>                                                                   <C>        <C>        <C>
Service cost........................................................  $     171  $     140  $     173
Interest cost.......................................................        357        336        317
Actual return on assets.............................................       (343)      (602)        74
Net amortization....................................................         88         42         81
Deferred asset gain (loss)..........................................        (29)       307       (345)
                                                                      ---------  ---------  ---------
                                                                      $     244  $     223  $     300
                                                                      ---------  ---------  ---------
                                                                      ---------  ---------  ---------
</TABLE>
 
    In accordance with SFAS No. 87, at January 31, 1997 and 1996 the Company has
recognized the full amount of its actuarially determined pension liability and
the related intangible asset of $92,000 and $128,000, respectively. The
unrecognized pension cost has been recorded as a charge to stockholders' equity
after giving effect to the related future tax benefit.
 
                                      F-17
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(7) EMPLOYEE BENEFITS PLANS (CONTINUED)
    The projected benefit obligation for 1997, 1996 and 1995 was computed using
a discount rate of 7.50%, 7.25% and 8.25%, respectively, and an estimated
long-term rate of return on assets of 8.75%. Benefit level assumptions for 1997,
1996 and 1995 are based on fixed amounts per year of credited service.
 
    The Company also participates in a number of defined benefit, multi-employer
plans. These plans are union-sponsored, and the Company makes contributions
equal to the amounts accrued for pension expense. Total union pension expense
for these plans was $638,000, $517,000 and $474,000 in 1997, 1996 and 1995,
respectively, and $149,000 and $148,000 for the three months ended April 30,
1997 and 1996, respectively. Information regarding assets and accumulated
benefits of these plans has not been made available to the Company.
 
    The Company's salaried and certain hourly employees participate in
Company-sponsored, defined contribution plans. Company contributions are
determined annually at the discretion of the Board of Directors of the Company.
Total expense for the Company's portion of these plans was $1,264,000, $802,000
and $862,000 in 1997, 1996 and 1995, respectively, and $361,000 and $269,000 for
the three months ended April 30, 1997 and 1996, respectively. The Company
reserves the right to amend or terminate the plans, but the Company cannot
recover contributions already paid.
 
(8) INDEBTEDNESS
 
    On March 15, 1996, the Company executed a credit agreement ("Credit
Agreement") with a bank group which replaced a previous credit agreement
("Previous Credit Agreement"). The Credit Agreement provides a revolving cash
borrowing facility of up to $30,000,000, less any outstanding letter of credit
commitments by the bank group. As of April 30, 1997 and January 31, 1997,
letters of credit in an aggregate amount of $4,548,000 and $4,904,000,
respectively, had been issued on behalf of the Company.
 
    The Credit Agreement is unsecured, but is guaranteed by certain of the
Company's domestic subsidiaries. The Credit Agreement limits the amount
available for the payment of cash dividends to $1,000,000 plus 25% of cumulative
net income after January 31, 1995. At April 30, 1997 and January 31, 1997, the
Company's retained earnings available for cash dividends was $4,572,000 and
$4,151,000, respectively, based on this limitation. The Credit Agreement also
contains significant covenants including restrictions on incurrence of
additional indebtedness and liens, sale of assets of other dispositions,
transactions with affiliates and certain financial maintenance covenants,
including among others, minimum interest coverage, minimum net worth, and
maximum leverage ratios. In addition, the Credit Agreement contains a provision
providing for the accelerated maturities of all outstanding balances if there is
an unapproved change of control in the Company. The Credit Agreement expires on
March 15, 1999.
 
    The Credit Agreement provides for interest at variable rates equal to, at
the Company's options, the Bank of America Illinois ("BAI") interbank eurodollar
rate (which generally is approximately equal to LIBOR; 5.6563% and 5.4375% at
April 30, 1997 and January 31, 1997, respectively) plus .75% to 1.25% (depending
on interest coverage and debt ratios) or the BAI Alternative Reference Rate (as
defined in the loan agreement; 8.50% and 8.25% at April 30, 1997 and January 31,
1997, respectively). The variable interest rates on the outstanding balances
approximate the current market rates.
 
    Maximum borrowings outstanding under the Company's then existing credit
agreements during 1997, 1996 and 1995 were $7,500,000, $18,000,000 and
$2,500,000, respectively, and the average outstanding
 
                                      F-18
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(8) INDEBTEDNESS (CONTINUED)
borrowings were $4,875,000, $6,042,000 and $675,000, respectively. The weighted
average interest rate was 7.5%, 7.9% and 8.5%, respectively.
 
    On December 28, 1995, the Company executed an amendment to the Previous
Credit Agreement to provide a $25,000,000 term loan facility ("Term Loan") to
the Company to finance the CBC Merger (see Note 2). The Term Loan provided for
interest at rates equal to the Credit Agreement except that the margin on
interbank eurodollar loans was 1.25%.
 
    The Term Loan was replaced on March 15, 1996 with the private placement of
an unsecured note agreement for the issuance and sale of $25,000,000 aggregate
principal amount of senior notes ("Senior Notes"). The Senior Notes bear a fixed
interest rate of 6.75% and will be due March 15, 2006 with annual installments
of $3,571,000 beginning March 15, 2000. As of April 30, 1997, January 31, 1997
and 1996, such interest rate approximates market for similar securities.
Financial guarantees and covenants are similar to those in the Credit Agreement.
 
    In connection with the CBC Merger (see Note 2), the Company assumed a
mortgage loan with an insurance company which is secured by the Company's
manufacturing facility in Salt Lake City, Utah. The mortgage loan provides for
monthly installments of $19,000 through September 2000 with a final payment in
October, 2000 of $963,000. The interest rate is fixed during the term of the
Mortgage Loan at 8.64%. As of April 30, 1997, January 31, 1997 and 1996, such
interest rate approximate market for similar securities.
 
    Loan costs incurred in securing long-term financing are amortized over the
term of the respective loan agreement. Amortization of these costs for 1997,
1996 and 1995 and the three months ended April 30, 1997 and 1996 was $171,000,
$34,000, $92,000, $25,000 and $87,000, respectively. Amortization of loan costs
is included in interest expense in statements of income.
 
    Long-term debt is as follows (in thousands of dollars):
 
<TABLE>
<CAPTION>
                                                                              JANUARY 31,
                                                               APRIL 30,  --------------------
                                                                 1997       1997       1996
                                                               ---------  ---------  ---------
<S>                                                            <C>        <C>        <C>
Senior Notes.................................................  $  25,000  $  25,000     --
Term loan....................................................     --         --      $  23,500
Revolving debt...............................................      9,500      4,000      3,500
Mortgage loan................................................      1,400      1,428      1,533
                                                               ---------  ---------  ---------
                                                                  35,900     30,428     28,533
Less current maturities......................................        117        114        105
                                                               ---------  ---------  ---------
  Total long-term debt--net..................................  $  35,783  $  30,314  $  28,428
                                                               ---------  ---------  ---------
                                                               ---------  ---------  ---------
</TABLE>
 
                                      F-19
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(8) INDEBTEDNESS (CONTINUED)
    As of January 31, 1997, long-term debt matures as follows (in thousands of
dollars):
 
<TABLE>
<S>                                                                  <C>
1998...............................................................  $     114
1999...............................................................        124
2000...............................................................      4,136
2001...............................................................      4,624
2002...............................................................      3,571
Thereafter.........................................................     17,859
</TABLE>
 
(9) STOCK AND STOCK OPTION PLANS
 
    The Company has reserved 500,000 shares of Common Stock for issuance under
Employee Incentive Compensation Plans. Issuance of shares under the Plans is
based on performance as determined annually by a committee appointed by the
Company's Board of Directors. During the three months ended April 30, 1997 and
in 1997 and 1996, 3,524, 31,622 and 32,649 shares, respectively, were issued at
$15.20, $10.75 and $6.63 per share, respectively.
 
    The Company also has two stock option plans which provide for the granting
of options to purchase up to an aggregate of 1,000,000 shares of Common Stock at
a price fixed by the Board of Directors or a committee.
 
<TABLE>
<CAPTION>
                                                                          SHARES UNDER OPTION        SHARES EXERCISABLE
                                                                        ------------------------  ------------------------
<S>                                                                     <C>          <C>          <C>          <C>
                                                                                      WEIGHTED                  WEIGHTED
                                                                          NUMBER       AVERAGE      NUMBER       AVERAGE
                                                                         OF SHARES      PRICE      OF SHARES      PRICE
                                                                        -----------  -----------  -----------  -----------
Stock Option Activity Summary:
  Outstanding, January 31, 1994.......................................     486,232    $   5.784      103,456    $   2.733
  Granted.............................................................      39,000        6.375       --
  Canceled............................................................     (58,317)       7.000      (11,663)
  Vested..............................................................      --           --           71,152
                                                                        -----------               -----------
  Outstanding, January 31, 1995.......................................     466,915        5.681      162,945        4.106
  Granted.............................................................      --           --           --
  Canceled............................................................      --           --           --
  Vested..............................................................      --           --           78,948
                                                                        -----------               -----------
  Outstanding, January 31, 1996.......................................     466,915        5.681      241,893        4.907
  Granted.............................................................     191,500       10.748       --
  Canceled............................................................     (16,500)      10.500       --
  Vested..............................................................      --           --          110,651
                                                                        -----------               -----------
  Outstanding, January 31, 1997.......................................     641,915        7.069      352,544        5.779
  Unaudited:
  Granted.............................................................      15,727       11.400       --
  Canceled............................................................      --           --           --
  Vested..............................................................      --           --           --
                                                                        -----------               -----------
  Outstanding, April 30, 1997.........................................     657,642        7.172      352,544        5.779
                                                                        -----------               -----------
                                                                        -----------               -----------
</TABLE>
 
                                      F-20
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(9) STOCK AND STOCK OPTION PLANS (CONTINUED)
    Significant option groups outstanding at January 31, 1997 and related
weighted average price and life information follows:
 
<TABLE>
<CAPTION>
                                                OPTIONS      OPTIONS    EXCERSISE   REMAINING LIFE
GRANT DATE                                    OUTSTANDING  EXERCISABLE    PRICE         (YEARS)
- --------------------------------------------  -----------  -----------  ---------  -----------------
<S>                                           <C>          <C>          <C>        <C>
 8/92.......................................      72,164       72,164   $    .882              5
 8/92.......................................      97,434       78,518   $   7.000              5
12/93.......................................     258,317      154,562   $   6.420              6
 5/94.......................................      39,000       15,600   $   6.375              7
 2/96.......................................     158,500       31,700   $  10.500              9
11/96.......................................      16,500       --       $  13.375              9
</TABLE>
 
    All options were granted at an exercise price equal to the fair market value
of the Company's common stock at the date of grant. The weighted average fair
value at the date of grant for options granted during fiscal year 1997 were
$6.98 per option, respectively. As there were no options granted during 1996, no
weighted average fair value of options is presented. The options generally have
a ten year term from the date of grant and vest ratably over five years. The
fair value of options at date of grant was estimated using the Black-Scholes
model with the following weighted average assumptions:
 
<TABLE>
<S>                                                                      <C>
Expected life (years)..................................................         10
Interest rate..........................................................        6.5%
Volatility.............................................................         20%
Dividend yield.........................................................          0%
</TABLE>
 
(10) CONTINGENCIES
 
    The Company provides environmental drilling and consulting services that are
related to the cleanup of hazardous substances, toxic wastes and other
pollutants. Rendering these services exposes the Company to potential
significant liability for claims related to the costs of environmental
remediation and other damages. The Company has obtained a "claims made"
pollution liability policy limited to $20,000,000 for any individual claim and
$20,000,000 for all claims in the aggregate made under such policy during the
policy's three year term. While the Company believes this is a cost effective
level of environmental insurance coverage in light of the risks associated with
its business, no assurance can be given that the amount and scope of coverage
will be adequate.
 
    The Company's former parent corporation, The Marley Company ("Marley"),
maintains insurance reserves for the Company on its financial statements to
cover expected losses under various casualty insurance policies for occurrences
prior to April 30, 1992. Those reserves were funded through intercompany charges
to the Company, which were calculated on the basis of the estimated insured
losses incurred by the Company. The Company has indemnified Marley for claims or
retroactive insurance premiums on those policies that exceed the amount of
reserves attributable to the Company's estimated losses through April 30, 1992.
The Company believes that the amount of such reserves will be sufficient to
cover its reasonably anticipated insured losses under past insurance policies.
Pursuant to an agreement with Marley,
 
                                      F-21
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(10) CONTINGENCIES (CONTINUED)
in July 1997, Marley will make payment to the Company in the amount of the
remaining reserves at that date, and the Company will be responsible for any
remaining incurred but unpaid claims or losses.
 
    The Company is involved in various matters of litigation, claims and
disputes which have arisen in the ordinary course of the Company's business.
While the resolution of any of these matters may have an impact on the financial
results for the period in which the matter is resolved, the Company believes
that the ultimate disposition of these matters will not, in the aggregate, have
a material adverse effect upon its consolidated financial position, results of
operation or liquidity.
 
(11) SEGMENT INFORMATION AND FOREIGN OPERATIONS
 
    The Company is a multi-national company operating predominantly in two
industry segments: as a drilling company with wholly-owned operations in the
United States, Mexico, Canada and Thailand, and as a manufacturer and supplier
of drilling equipment, parts and supplies. The manufacturing and supply
operations are primarily in the United States. Refer to Note 3 for information
on other foreign investments.
 
    Revenues, operating income, identifiable assets, capital expenditures and
depreciation and amortization pertaining to the segments in which the Company
operates are presented below (in thousands of dollars). Intersegment sales are
accounted for based on the estimated fair market value of the products sold. In
computing operating income for foreign subsidiaries, no allocations of general
corporate expenses have been made. Identifiable assets of foreign subsidiaries
are those assets related to the operations of those subsidiaries. Corporate
assets are all other assets of the Company not directly associated with an
operating segment, and consist primarily of cash, deferred income taxes and
investments in foreign affiliates (see Note 3).
 
<TABLE>
<CAPTION>
                                                                                  1997        1996        1995
                                                                               ----------  ----------  ----------
<S>                                                                            <C>         <C>         <C>
 
Revenues
  Drilling
    United States............................................................  $  171,704  $  143,162  $  150,036
    Foreign..................................................................      24,840      10,593       6,085
                                                                               ----------  ----------  ----------
      Total Drilling.........................................................     196,544     153,755     156,121
    Manufacturing and Supply.................................................      41,572      23,232      17,935
    Intersegment revenues....................................................     (15,263)     (9,716)     (7,226)
                                                                               ----------  ----------  ----------
      Total Manufacturing and Supply.........................................      26,309      13,516      10,709
                                                                               ----------  ----------  ----------
                                                                               $  222,853  $  167,271  $  166,830
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
Operating Income
  Drilling
    United States............................................................  $   13,844  $  14, 107  $   15,073
    Foreign..................................................................       2,159         409       1,037
                                                                               ----------  ----------  ----------
      Total Drilling.........................................................      16,003      14,516      16,110
    Manufacturing and Supply.................................................       1,390       1,625         536
    Corporate................................................................      (6,072)     (7,441)    (10,301)
                                                                               ----------  ----------  ----------
                                                                               $   11,321  $    8,700  $    6,345
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
</TABLE>
 
                                      F-22
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(11) SEGMENT INFORMATION AND FOREIGN OPERATIONS (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                                  1997        1996        1995
                                                                               ----------  ----------  ----------
<S>                                                                            <C>         <C>         <C>
Identifiable Assets
  Drilling
    United States............................................................  $   74,113  $   70,866  $   60,678
    Foreign..................................................................      16,484      15,616       6,206
                                                                               ----------  ----------  ----------
      Total Drilling.........................................................      90,597      86,482      66,884
    Manufacturing and Supply.................................................      24,917      20,622       5,008
    Corporate................................................................      28,136      27,073       9,165
                                                                               ----------  ----------  ----------
                                                                               $  143,650  $  134,177  $   81,057
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
Capital Expenditures
  Drilling...................................................................  $   18,071  $   12,383  $    8,723
  Manufacturing and Supply...................................................         473          71           9
                                                                               ----------  ----------  ----------
                                                                               $   18,544  $   12,454  $    8,732
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
Depreciation and Amortization
  Drilling...................................................................  $   10,776  $    8,375  $    7,960
  Manufacturing and Supply...................................................         485          17          18
                                                                               ----------  ----------  ----------
                                                                               $   11,261  $    8,392  $    7,978
                                                                               ----------  ----------  ----------
                                                                               ----------  ----------  ----------
</TABLE>
 
    Of the $26,309,000 Manufacturing and Supply sales to unaffiliated customers
in 1997, $10,023,000 were export sales, principally to Latin and South America.
 
(12) INVESTMENT IN DOMESTIC AFFILIATE
 
    As a result of the CBC Merger (see Note 2), the Company owned 50% of a
limited liability company, CBC Welnav L.C. ("Welnav"). Welnav engaged primarily
in surveying and directional drilling services, and the manufacturing and
selling of survey tools and hydraulic down hole motors for mineral and energy
exploration, mine development, and pre-construction testing. Welnav was
dissolved and terminated as of November 30, 1996. No loss was incurred by the
Company in connection with the dissolution.
 
    The Company's investment in Welnav was carried at the Company's equity in
the underlying net assets plus advances to Welnav. Summarized financial
information as of January 31, 1996 and for the period then ended was
approximately (in thousands of dollars):
 
<TABLE>
<S>                                                                   <C>
Total assets........................................................  $   3,443
Total liabilities...................................................      1,346
Net sales...........................................................        305
Net income..........................................................         39
</TABLE>
 
    The Company had $1,155,000 in advances to Welnav as of January 31, 1996. The
Company had transactions with Welnav for the years ended January 31, 1997 and
1996, but such amounts were not significant.
 
                                      F-23
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(13) QUARTERLY RESULTS (UNAUDITED)
 
    Unaudited quarterly financial data is as follows (see Note 2 regarding the
CBC Merger) (in thousands of dollars, except per share data):
<TABLE>
<CAPTION>
                                                      FIRST     SECOND      THIRD     FOURTH
                                                    ---------  ---------  ---------  ---------
<S>                                                 <C>        <C>        <C>        <C>
1997:
  Revenues........................................  $  53,773  $  56,312  $  60,212  $  52,556
  Gross profit....................................     14,070     15,975     17,172     14,034
  Net income......................................      1,103      2,552      3,200      1,162
  Per share earnings..............................       0.12       0.28       0.35       0.13
 
<CAPTION>
 
                                                      FIRST     SECOND      THIRD     FOURTH
                                                    ---------  ---------  ---------  ---------
<S>                                                 <C>        <C>        <C>        <C>
 
1996:
  Revenues........................................  $  37,559  $  42,560  $  44,368  $  42,784
  Gross profit....................................     10,203     11,521     12,695     10,774
  Net income......................................        646      1,555      1,841        545
  Per share earnings..............................       0.09       0.21       0.25       0.07
</TABLE>
 
(14) SUBSEQUENT EVENTS
 
    On May 20, 1997, the Company, through its wholly-owned subsidiary Layne
Christensen Australia Pty Limited ("Layne Australia"), made a tender offer to
the holders of all the outstanding shares of capital stock of Stanley Mining
Services, Limited ("Stanley"), a company listed on the Australian Stock Exchange
(the "Tender Offer").
 
    On July 7, 1997, the close of the tender offer period, 98% of the Stanley
shares then outstanding had been tendered. Consummation of the Tender Offer is
expected in late July 1997. Following such consummation, Layne Australia will
purchase the shares of Stanley that were not tendered, at the tender offer share
price, pursuant to legal procedures available to corporations owning at least
90% of the shares of a target corporation.
 
    In December 1996, Stanley acquired 51% of Glindemann & Kitching Pty Ltd.
("G&K"), a leading diamond core exploration drilling company in Western
Australia, from its two stockholders and their affiliates at a price of
$5,245,000, under terms of an acquisition agreement which also provides for G&K
to repurchase the remaining 49% of the outstanding shares of G&K from its
stockholders other than Stanley on or before September 30, 1997, at a price
based upon five times the adjusted average annual after tax profits of G&K for
the two fiscal years ending June 30, 1996 and June 30, 1997, thereby making G&K
a wholly owned subsidiary of Stanley. The repurchase by G&K of the remaining 49%
interest is referred to herein as the "G&K Acquisition."
 
    The Company will finance the Tender Offer and the G&K Acquisition through a
$100,000,000 reducing revolving credit facility to be provided by Bank of
America National Trust and Savings Association ("Bank of America") and a
syndicate arranged by BancAmerica Securities, Inc. (the "New Credit Agreement").
The New Credit Agreement will also be used to refinance the Company's existing
$30,000,000 credit facility. The Company expects to borrow approximately
$58,840,000 under the New Credit Agreement for the Tender Offer and G&K
Acquisition and for certain related costs and expenses.
 
                                      F-24
<PAGE>
                   LAYNE CHRISTENSEN COMPANY AND SUBSIDIARIES
 
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
            FOR THE YEARS ENDED JANUARY 31, 1997, 1996 AND 1995 AND
 
           THE THREE MONTHS ENDED APRIL 30, 1997 AND 1996 (UNAUDITED)
 
(14) SUBSEQUENT EVENTS (CONTINUED)
The purchase price of Stanley is estimated to be $51,666,000 based on the number
of outstanding shares of Stanley stock and the agreed upon share price of A$.95.
The purchase price of the G&K Acquisition is estimated to be $6,324,000.
 
                                      F-25
<PAGE>
                         REPORT OF INDEPENDENT AUDITORS
 
To the Members of Stanley Mining Services Limited:
 
    We have audited the accompanying consolidated balance sheets of Stanley
Mining Services Limited and its controlled entities (Economic Entity) as of June
30, 1996 and 1995 and the related consolidated statements of profit, statements
of changes in shareholders' equity and statements of cash flows for each of the
years in the two year period ended June 30, 1996, all expressed in Australian
dollars. These consolidated financial statements are the responsibility of the
Company's management. Our responsibility is to express an opinion on these
financial statements based on our audits.
 
    We conducted our audit in accordance with auditing standards generally
accepted in Australia which do not differ in any significant respect from
auditing standards generally accepted in the United States. Those standards
require that we plan and perform the audit to obtain reasonable assurance about
whether the financial statements are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements. An audit also includes assessing the
accounting principles used and significant estimates made by management, as well
as evaluating the overall financial statement presentation. We believe that our
audit provides a reasonable basis for our opinion.
 
    In our opinion, the consolidated financial statements referred to above
present fairly, in all material respects, the financial position of the economic
entity of June 30, 1996 and June 30, 1995 and the results of their operations
and their cash flows for the years in the two year period ended June 30, 1996,
in conformity with accounting principles generally accepted in Australia.
 
    Accounting principles generally accepted in Australia vary in certain
significant respects from accounting principles in the United States. The
application of United States generally accepted accounting principles would have
affected the results of operations for each of the years in the two year period
ended June 30, 1996 and shareholders' equity as of June 30, 1996 and June 30,
1995, to the extent summarised in Note 33 to the consolidated financial
statements.
 
KPMG
CHARTERED ACCOUNTANTS
PERTH, WESTERN AUSTRALIA
 
Dated: 12 September 1996,
  except as to Notes 32 and 33,
  are as of 17 June 1997.
 
                                      F-26
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                       CONSOLIDATED STATEMENTS OF PROFIT
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
<TABLE>
<CAPTION>
                                                    1996         1995
                                          NOTE    A $'000      A $'000
                                          -----  ----------   ----------
<S>                                       <C>    <C>          <C>
Operating profit before abnormal items
  and income tax........................   2,3       5,622        4,363
Abnormal items..........................   5        --             (494)
                                                 ----------   ----------
Operating profit before income tax......             5,622        3,869
Income tax expense attributable to
  operating profit......................   6        (2,049)      (1,508)
                                                 ----------   ----------
Operating profit after income tax.......             3,573        2,361
                                                 ----------   ----------
Basic earnings per share--cents.........   8          10.1          9.3
</TABLE>
 
                       See the accompanying notes to and
             forming part of the consolidated financial statements.
 
                                      F-27
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                          CONSOLIDATED BALANCE SHEETS
 
                          AS OF JUNE 30, 1996 AND 1995
 
<TABLE>
<CAPTION>
                                                                                             NOTE        1996       1995
                                                                                             -----     ---------  ---------
<S>                                                                                       <C>          <C>        <C>
                                                                                                        A $'000    A $'000
CURRENT ASSETS
Cash....................................................................................                   1,384      2,407
Receivables.............................................................................          10       9,974      6,019
Inventories.............................................................................          12       4,875      2,790
Other...................................................................................          13         695        667
                                                                                                       ---------  ---------
TOTAL CURRENT ASSETS....................................................................                  16,928     11,883
                                                                                                       ---------  ---------
NON-CURRENT ASSETS
Investments.............................................................................          11         503        237
Property, plant and equipment...........................................................          14      17,099     12,109
Other...................................................................................          13         866        169
                                                                                                       ---------  ---------
TOTAL NON-CURRENT ASSETS................................................................                  18,468     12,515
                                                                                                       ---------  ---------
TOTAL ASSETS............................................................................                  35,396     24,398
                                                                                                       ---------  ---------
                                                                                                       ---------  ---------
CURRENT LIABILITIES
Creditors and borrowings................................................................          15       6,325      5,627
Provisions..............................................................................          18       3,290      1,434
                                                                                                       ---------  ---------
TOTAL CURRENT LIABILITIES...............................................................                   9,615      7,061
                                                                                                       ---------  ---------
NON-CURRENT LIABILITIES
Creditors and borrowings................................................................          15       8,010      2,784
Provisions..............................................................................          18       2,886      2,015
                                                                                                       ---------  ---------
TOTAL NON-CURRENT LIABILITIES...........................................................                  10,896      4,799
                                                                                                       ---------  ---------
TOTAL LIABILITIES.......................................................................                  20,511     11,860
                                                                                                       ---------  ---------
SHAREHOLDERS' EQUITY
Share capital...........................................................................          19       7,218      7,016
Reserves................................................................................          20       2,422      1,940
Retained profits........................................................................                   5,245      3,582
                                                                                                       ---------  ---------
TOTAL SHAREHOLDERS' EQUITY..............................................................                  14,885     12,538
                                                                                                       ---------  ---------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY..............................................                  35,396     24,398
                                                                                                       ---------  ---------
                                                                                                       ---------  ---------
</TABLE>
 
                       See the accompanying notes to and
             forming part of the consolidated financial statements.
 
                                      F-28
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
           CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
<TABLE>
<CAPTION>
                                                                                                         1996       1995
                                                                                             NOTE       A $'000    A $'000
                                                                                             -----     ---------  ---------
<S>                                                                                       <C>          <C>        <C>
AUTHORISED CAPITAL
Ordinary shares of 20 cents each........................................................          19      50,000     50,000
                                                                                                       ---------  ---------
Opening balance.........................................................................                   7,016      3,626
Additional shares issued................................................................                     202      3,390
                                                                                                       ---------  ---------
Total share capital.....................................................................          19       7,218      7,016
                                                                                                       ---------  ---------
RETAINED PROFITS
Retained profits at the beginning of the year as stated.................................                   3,582         22
Dividend rescinded......................................................................                  --          1,900
Dividend provided for or paid...........................................................                  (1,910)      (701)
Operating profit after income tax.......................................................                   3,573      2,361
                                                                                                       ---------  ---------
Retained profits at the end of the year as stated.......................................                   5,245      3,582
                                                                                                       ---------  ---------
RESERVES
SHARE PREMIUM RESERVE
Opening balance.........................................................................                   1,937     --
Premium on additional shares issued.....................................................                     343      2,700
Share placement costs...................................................................                  --           (763)
                                                                                                       ---------  ---------
Closing balance.........................................................................          20       2,280      1,937
                                                                                                       ---------  ---------
ASSET REVALUATION RESERVE
Opening balance.........................................................................                       3          3
Revaluation increment on freehold land and buildings....................................                     139     --
                                                                                                       ---------  ---------
Closing balance.........................................................................          20         142          3
                                                                                                       ---------  ---------
Reserves closing balance................................................................                   2,422      1,940
                                                                                                       ---------  ---------
TOTAL SHAREHOLDERS' EQUITY..............................................................                  14,885     12,538
                                                                                                       ---------  ---------
</TABLE>
 
                       See the accompanying notes to and
             forming part of the consolidated financial statements.
 
                                      F-29
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
<TABLE>
<CAPTION>
                                                                                                   1996       1995
                                                                                        NOTE      A $'000    A $'000
                                                                                      ---------  ---------  ---------
<S>                                                                                   <C>        <C>        <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts in the course of operations...........................................                43,026     25,236
Cash payments in the course of operations...........................................               (39,614)   (22,513)
Income taxes paid...................................................................                  (900)      (712)
Withholding taxes paid..............................................................                  (513)      (310)
Interest received...................................................................                    83         90
Interest paid.......................................................................                  (457)      (325)
                                                                                                 ---------  ---------
 
Net cash provided by operating activities...........................................     30 (ii)     1,625      1,466
                                                                                                 ---------  ---------
 
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds on sale of investments.....................................................                    76         37
Proceeds on sale of plant and equipment.............................................                   109        403
Payments for property, plant and equipment..........................................                (7,733)    (7,539)
Payment for exploration.............................................................                --           (534)
Payments for investments............................................................                  (362)       (96)
                                                                                                 ---------  ---------
 
Net cash used in investing activities...............................................                (7,910)    (7,729)
                                                                                                 ---------  ---------
 
CASH FLOWS FROM FINANCING ACTIVITIES
Bank loan...........................................................................                 8,542        648
Proceeds from share issue...........................................................                   545      5,327
Lease payments......................................................................                --            (27)
Hire purchase finance...............................................................                --          3,894
Hire purchase payments..............................................................                (4,402)    (1,358)
Dividends paid......................................................................                  (701)    --
                                                                                                 ---------  ---------
 
Net cash provided by financing activities...........................................                 3,984      8,484
                                                                                                 ---------  ---------
 
NET INCREASE/DECREASE IN CASH HELD..................................................                (2,301)     2,221
 
CASH AT THE BEGINNING OF THE FINANCIAL YEAR.........................................                 2,364        143
                                                                                                 ---------  ---------
 
CASH AT THE END OF THE FINANCIAL YEAR...............................................      30 (i)        63      2,364
                                                                                                 ---------  ---------
</TABLE>
 
                       See the accompanying notes to and
             forming part of the consolidated financial statements.
 
                                      F-30
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                       CONSOLIDATED FINANCIAL STATEMENTS
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES
 
    The significant policies which have been adopted by the economic entity in
the preparation of these financial statements are:
 
(A) BASIS OF PREPARATION
 
    The financial statements are a financial report which has been drawn up in
accordance with Accounting Standards, Urgent Issues Group Consensus Views, the
provisions of Schedule 5 to the Corporations Regulations and the requirements of
the Corporations Law. They have been prepared on the basis of historical costs
and except where stated do not take into account changing money values or
current valuations of non-current assets. The accounting policies have been
consistently applied by each entity in the economic entity and except where
there is a change in accounting policy, are consistent with those of the
previous year.
 
    A reconciliation of the major differences between these accounts and those
applicable under General Accepted Accounting Principles in the United States
("US GAAP") is included in note 33.
 
(B) PRINCIPLES OF CONSOLIDATION
 
    The Consolidated Accounts of the economic entity include the financial
statements of the Company, being the chief entity, and its controlled entities.
 
    Where an entity either began or ceased to be controlled during the year, the
results are included only from the date control commenced or up to the date
control ceased.
 
    All inter-entity balances, transactions and unrealised profits resulting
from transactions within the economic entity have been eliminated.
 
(C) REVENUE RECOGNITION
 
    SALES REVENUE
 
    Sales revenue comprises revenue earned (net of returns, discounts and
allowances) from the provision of products or services to entities outside the
economic entity. Sales revenue is recognised when earned and the fee in respect
of services provided is receivable.
 
    INTEREST INCOME
 
    Interest income is recognised as it accrues.
 
    ASSET SALES
 
    The gross proceeds of asset sales are included as revenue of the entity. The
profit or loss on disposal of assets is brought to account at the date an
unconditional contract of sale is signed.
 
    OTHER REVENUE
 
    Revenue recognition policies for investments are described in Note (g).
 
                                      F-31
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
(D) FOREIGN CURRENCY TRANSACTIONS
 
    TRANSACTIONS
 
    Foreign currency transactions are translated to Australian currency at the
rates of exchange ruling at the dates of the transactions. Amounts receivable
and payable in foreign currencies at balance date are translated at the rates of
exchange ruling on that date.
 
    Exchange differences relating to amounts payable and receivable in foreign
currencies are brought to account as exchange gains or losses in the profit and
loss account in the financial year in which the exchange rates change.
 
    HEDGES
 
    All non-specific hedge transactions are initially recorded at the spot rate
at the date of the transaction. Hedges outstanding at balance date are
translated at the rates of exchange ruling on that date and any exchange
differences are brought to account in the profit and loss account. Costs or
gains arising at the time of entering into the hedge are deferred and amortised
over the life of the hedge.
 
    Where hedge transactions are designed to hedge the purchase or sale of goods
or services, exchange differences arising up to the date of purchase or sale,
together with any costs or gains arising at the time of entering into the hedge,
are deferred and included in the measurement of the purchase or sale. Any
exchange differences on the hedge transaction after that date are included in
the consolidated statements of profit.
 
    TRANSLATION OF FOREIGN OPERATIONS
 
    The operating results of overseas operations that are integrated foreign
operations are translated using the temporal method. Monetary assets and
liabilities are translated into Australian currency at rates of exchange current
at balance date, while non-monetary items and revenue and expense items are
translated at exchange rates current when the transactions occurred. Exchange
differences arising on translation are brought to account in the consolidated
statements of profit.
 
(E) INCOME TAX
 
    The economic entity adopts the liability method of tax effect accounting.
 
    Income tax expense is calculated on operating profit adjusted for permanent
differences between taxable and accounting income. The tax effect of timing
differences which arise from items being brought to account in different periods
for income tax and accounting purposes, is carried forward in the balance sheet
as a future income tax benefit or a provision for deferred income tax.
 
    Future income tax benefits are brought to account as realisation of the
asset is assured beyond reasonable doubt. Future income tax benefits relating to
tax losses have been brought to account when their realisation is virtually
certain.
 
    The Company is not taxed as a private company.
 
                                      F-32
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
(F) NON-CURRENT ASSETS
 
    The carrying amounts of all non-current assets, other than exploration
expenditure, are reviewed at least annually to determine whether they are in
excess of their recoverable amount. If the carrying amount of a non-current
assets exceeds the recoverable amount, the asset is written down to the lower
value.
 
    In assessing recoverable amounts the relevant cash flows have not been
discounted to their present value, except where specifically stated.
 
(G) INVESTMENTS
 
    ASSOCIATED COMPANIES
 
    An associated company is one in which: the economic entity exercises
significant influence; and the investment is long-term.
 
    Investments in associated companies are carried at the lower of cost and
recoverable amount. In the case of interim dividends, dividends are brought to
account in the consolidated statements of profit as they are received, and in
the case of final dividends after they have been declared by the associated
company in a general meeting.
 
    OTHER COMPANIES
 
    Investments in other companies are carried at the lower of cost, or
recoverable amount, being a directors valuation based on market values at the
time of the valuation. Dividends are brought to account as they are received.
 
(H) INVENTORIES
 
    Drilling supplies and consumables are valued at the lower of cost
(calculated on the first-in first-out basis) and net realisable amount.
 
(I) PROPERTY, PLANT AND EQUIPMENT
 
    ACQUISITION
 
    Items of property, plant and equipment are initially recorded at cost and
depreciated as outlined below.
 
    CAPITAL WORKS IN PROGRESS
 
    The cost of property, plant and equipment constructed by the Company
includes the cost of materials and direct labour and an appropriate proportion
of fixed and variable overheads.
 
    REVALUATIONS
 
    Land and buildings are independently valued every three years on an existing
use basis of valuation and included in the financial statements at the revalued
amounts.
 
                                      F-33
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    The potential capital gains tax liability is assessed each time an asset
acquired after 19 September, 1985 is revalued. A provision for capital gains tax
is only provided when it is known that the asset will eventually be sold. This
provision, when required, is made against the asset revaluation reserve.
 
    The tax effect on capital losses is not recorded unless realisation is
virtually certain.
 
    DISPOSAL OF REVALUED ASSETS
 
    The gain or loss on disposal of revalued assets is calculated as the
difference between the carrying amount of the asset at the time of disposal and
the proceeds on disposal and is included in the results in the year of disposal.
 
    Any related revaluation increment standing in the asset revaluation reserve
at the time of disposal is transferred to the capital profits reserve.
 
    DEPRECIATION AND AMORTISATION
 
    Items of property, plant and equipment, including buildings and leasehold
property but excluding freehold land, are depreciated/amortised over their
estimated useful lives ranging from 3 to 20 years.
 
    Assets are depreciated or amortised from the date of first use.
 
    LEASED PLANT AND EQUIPMENT
 
    Leases of plant and equipment under which the Company or its controlled
entities assume substantially all the risks and benefits of ownership are
classified as finance leases. Other leases are classified as operating leases.
 
    Finance leases are capitalised. A lease asset and a lease liability equal to
the present value of the minimum lease payments are recorded at the inception of
the lease. Contingent rentals are written off as an expense of the accounting
period in which they are incurred. Capitalised lease assets are amortised on a
straight line basis over the term of the relevant lease, or where it is likely
the economic entity will obtain ownership of the asset, the life of the asset.
Lease liabilities are reduced by repayments of principal. The interest
components of the lease payments are charged to consolidated statement of
profit.
 
(J) EXPLORATION EXPENDITURE
 
    Exploration, evaluation and development costs are accumulated in respect of
each separate area of interest. These costs are carried forward where the right
of tenure of the area of interest is current and they are expected to be
recouped through sale or successful development and exploitation of the area of
interest, or where activities in the area of interest have not yet reached a
stage that permits reasonable assessment of the existence of economically
recoverable reserves.
 
    When an area of interest is abandoned or the directors decide that it is not
commercial, any accumulated costs in respect of that area are written-off in the
financial period the decision is made. Each area of interest is also reviewed at
the end of each accounting period and accumulated costs written-off to the
extent that they will not be recoverable in the future.
 
                                      F-34
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    Amortisation is not charged on costs carried forward in respect of areas of
interest in the development phase until production commences.
 
(K) DEFERRED EXPENDITURE
 
    Material items of expenditure are deferred to the extent that the benefits:
are recoverable out of future revenue: do not relate solely to revenue which has
already been brought to account and will contribute to the future earning
capacity of the economic entity.
 
    Deferred expenditure is amortised over the shorter of the period in which
the related benefits are expected to be realised or three years. Deferred
expenditure is reviewed in accordance with the policy set out in Note (f).
 
(L) EMPLOYEE ENTITLEMENTS
 
    WAGES, SALARIES, ANNUAL LEAVE AND SICK LEAVE
 
    The provisions for employee entitlements to wages, salaries, annual leave
and sick leave represents the amount which the economic entity has a present
obligation to pay resulting from employees' services provided up to the balance
date. The provisions have been calculated at nominal amounts based on current
wage and salary rates and includes related on-costs.
 
    LONG SERVICE LEAVE
 
    The liability for employee's entitlement to long service leave represents
the present value of the estimated future cash outflows to be made by the
employer resulting from employees' services provided up to the balance date.
 
    Liabilities for employee entitlements which are not expected to be settled
within twelve months are discounted using the rates attaching to national
government securities at balance date, which most closely match the terms of
maturity of the related liabilities.
 
    In determining the liability for employee entitlements, consideration has
been given to future increases in wage and salary rates, and the economic
entity's experience with staff departures. Related on-costs have also been
included in the liability.
 
    EMPLOYEE SHARE OPTION PLAN
 
    The Company intends to grant options to certain employees under an employee
share plan. Further information is set out in Note 19 of the financial
statements. Other than the costs incurred in administering the schemes which are
expended as incurred, the scheme does not result in any expense to the economic
entity. No options have been granted at 30 June 1996.
 
                                      F-35
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    SUPERANNUATION
 
    The Company contributes to a defined contribution superannuation fund on
behalf of employees in accordance with the requirements of the Superannuation
Guarantee Administration Act 1992. The contributions are charged against income
as they are made.
 
(M) PROVISION FOR DOUBTFUL DEBTS
 
    The collectability of debts is assessed at year end and specific provision
is made for any doubtful accounts.
 
(N) DERIVATIVES
 
    The economic entity is exposed to changes in interest rates and foreign
exchange rates. It is the economic entity's policy to use derivative financial
instruments to hedge a portion of these risks. Economic entity policy is not to
enter, hold or issue derivative financial instruments for trading purposes.
 
    Derivative financial instruments that are designated as hedges of firm
commitments and are effective as hedges of underlying exposures are accounted
for on the same basis as the underlying exposure. Gains/ losses relating to
hedges of specific purchase/sale commitments are deferred and recognised as
adjustments to the carrying amount of the hedged transactions
 
2. OPERATING REVENUE
 
<TABLE>
<CAPTION>
                                                                                                   1996       1995
                                                                                                  A $'000    A $'000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
Operating profit is determined after crediting the following items:
  Sales revenue................................................................................     43,026     27,334
Other revenue
  Insurance recovery...........................................................................     --             29
  Interest received from other persons.........................................................         83         90
  Foreign currency gains.......................................................................        502         70
  Sundry.......................................................................................        780        244
  Gross proceeds from sale of non-current assets...............................................        185        440
  Write back provision for doubtful debts......................................................     --            194
                                                                                                 ---------  ---------
                                                                                                    44,576     28,401
                                                                                                 ---------  ---------
</TABLE>
 
                                      F-36
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
3. OPERATING PROFIT
 
    Operating profit is determined after charging the following items:
 
A) OPERATING EXPENSES
 
<TABLE>
<CAPTION>
                                                                                                    1996         1995
                                                                                                   A $'000      A $'000
                                                                                                 -----------  -----------
<S>                                                                                              <C>          <C>
Contributions to superannuation................................................................         497          271
Interest paid or due and payable to other persons..............................................         457          325
Finance charges on capitalised leases..........................................................      --                3
Lease rental expenses, operating leases........................................................          33           14
Depreciation of property, plant and equipment..................................................       2,842        1,734
Foreign currency losses........................................................................         480       --
Write down in value of inventories.............................................................         899        1,212
Amounts set aside to provision for:
Employee entitlements..........................................................................          29          136
</TABLE>
 
B) SALE OF NON-CURRENT ASSETS
 
<TABLE>
<S>                                                                                              <C>          <C>
Profit on sales of property, plant and equipment..............................................           69          252
Profit/(loss) on sale of investments..........................................................          (20)          27
</TABLE>
 
4. AUDITORS' REMUNERATION
 
<TABLE>
<CAPTION>
                                                                                                    1996         1995
                                                                                                   A $'000      A $'000
                                                                                                 -----------  -----------
<S>                                                                                              <C>          <C>
Amounts received or due and receivable for audit and other services provided by KPMG
  --audit services.............................................................................          79           65
  --other services.............................................................................          59          154
                                                                                                        ---          ---
                                                                                                        138          219
                                                                                                        ---          ---
</TABLE>
 
5. ABNORMAL ITEM
 
<TABLE>
<S>                                                                                              <C>          <C>
Exploration expenditure written off............................................................         --           494
                                                                                                     -----         -----
Aggregate abnormal items before income tax.....................................................         --           494
                                                                                                     -----         -----
</TABLE>
 
                                      F-37
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
6. INCOME TAX EXPENSE
 
<TABLE>
<CAPTION>
                                                                                                    1996         1995
                                                                                                   A $'000      A $'000
                                                                                                 -----------  -----------
<S>                                                                                              <C>          <C>
A) The prima facie income tax expense at 36% (1995: 33%) on operating profit...................       2,024        1,276
  Increase in income tax expense due to non-tax deductible items:
  Depreciation of revaluation increment on property, plant and equipment.......................          --           22
  Write-off of exploration expenditure.........................................................          --          163
  Write down in Ghana withholding tax..........................................................          36           --
  Sundry items (including entertainment).......................................................          (3)           1
  Capital losses on disposal of investments....................................................           7           --
  Decrease in income tax expense due to:
  Allowable preliminary expenses...............................................................          --          (80)
                                                                                                 -----------       -----
  Income tax expense on operating profit.......................................................       2,064        1,382
  Add: Income tax expense under (over) provided from prior period..............................         142          (30)
  Add: Income tax expense arising from tax rate adjustment.....................................          --          156
  Less: Foreign tax credit.....................................................................        (157)          --
                                                                                                 -----------       -----
  Total income tax expense attributable to operating profit....................................       2,049        1,508
                                                                                                 -----------       -----
  Total income tax expense is made up of:
    Current income tax provision...............................................................       1,734          788
    Deferred income tax provision..............................................................         870          798
    Future income tax benefit..................................................................        (697)         (48)
    Under (over) provision in prior year.......................................................         142          (30)
                                                                                                 -----------       -----
                                                                                                      2,049        1,508
                                                                                                 -----------       -----
</TABLE>
 
B) PROVISION FOR CURRENT INCOME TAX
 
<TABLE>
<CAPTION>
                                                                                                    1996         1995
                                                                                                   A $'000      A $'000
                                                                                                 -----------  -----------
<S>                                                                                              <C>          <C>
Movements during the year were as follows:
Balance at beginning of year...................................................................         466          612
Current year's income tax expense on operating profit..........................................       1,734          788
Paid in year...................................................................................      (1,413)        (712)
Foreign tax credit.............................................................................         178         (187)
Under (over) provision prior year..............................................................          77          (35)
                                                                                                 -----------       -----
Balance at the end of year.....................................................................       1,042          466
                                                                                                 -----------       -----
</TABLE>
 
                                      F-38
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
6. INCOME TAX EXPENSE (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                                                    1996         1995
                                                                                                   A $'000      A $'000
                                                                                                 -----------  -----------
<S>                                                                                              <C>          <C>
</TABLE>
 
C) PROVISION FOR DEFERRED INCOME TAX
 
    Provision for deferred income tax comprises the estimated expense at current
income tax rates on the following items:
 
<TABLE>
<S>                                                                                              <C>          <C>
Difference in depreciation and amortisation of property, plant and equipment for accounting and
  income tax purposes..........................................................................       1,140          814
Expenditure currently deductible but deferred and amortised for accounting
  purposes.....................................................................................       1,739        1,195
                                                                                                -----------        -----
                                                                                                      2,879        2,009
                                                                                                -----------        -----
</TABLE>
 
D) FUTURE INCOME TAX BENEFIT
 
    Future income tax benefit comprises the estimated future benefit at current
income tax rates of the following items:
 
<TABLE>
<S>                                                                                             <C>          <C>
Provisions and accrued employee entitlements not currently deductible.........................         126           169
Unrealised currency differences...............................................................          74           --
Excess foreign tax credit carried forward.....................................................         666           --
                                                                                               -----------         -----
                                                                                                       866           169
                                                                                               -----------         -----
E) Future Income Tax Benefit not brought to account...........................................         228           228
</TABLE>
 
    The potential future income tax benefit in a controlled entity, which is a
company, arising from exploration expenditure has not been recognised as an
asset because recovery is not virtually certain.
 
    The potential future income tax benefit will only be obtained if:
 
 (i) the relevant company derives future assessable income of a nature and an
    amount sufficient to enable the benefit to be realised, or the benefit can
    be utilised by another company in the economic entity in accordance with
    Section 80G of the Income Tax Assessment Act 1936;
 
 (ii) the relevant Company and/or the economic entity continues to comply with
    the conditions for deductibility imposed by the law; and
 
(iii) no changes in tax legislation adversely affect the relevant company and/or
    the economic entity in realising the benefit.
 
                                      F-39
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
7. DIVIDENDS
 
A) DIVIDENDS RESCINDED
 
<TABLE>
<CAPTION>
                                                                                            1996          1995
                                                                                          A $'000       A $'000
                                                                                        ------------  ------------
<S>                                                                                     <C>           <C>
  A partially franked ordinary dividend of 10.5 cents per share which had been
  provided for at 30 June, 1994 was subsequently rescinded by a resolution of
  shareholders on 1 November, 1994. ..................................................            --         1,900
</TABLE>
 
B) DIVIDENDS PROVIDED FOR
 
<TABLE>
<S>                                                                                     <C>          <C>
  Dividends provided for by the Company are a final ordinary dividend
  of 4 cents per share (1995: 2 cents) fully franked to 100% from
  profits taxed at 36% (1995:fully franked to 72% from profits taxed
  at 39% and to 28% from profits taxed at 33%) is recommended by the
  Directors.........................................................................          1,910            701
</TABLE>
 
C) DIVIDEND FRANKING ACCOUNT
 
<TABLE>
<S>                                                                                      <C>         <C>
  Estimated amounts of retained profits and reserves that could be
  distributed as franked dividends using franking credits already in
  existence or which will arise from income tax payments in the
  following period, and after deducting franking credits to be used
  in payment of the above dividends:
  --franked at 36%..................................................................          2,391          1,922
</TABLE>
 
8. BASIC EARNINGS PER SHARE
 
<TABLE>
<S>                                                                                     <C>          <C>
  Basic Earnings per Share..........................................................           10.1c           9.3c
  Weighted average number of ordinary shares used in calculation of
  basic earnings per share..........................................................      35,416,388    25,375,624
</TABLE>
 
9. STATEMENT OF OPERATIONS OF SEGMENTS CONSOLIDATED
 
INDUSTRY SEGMENTS
 
The economy entity operates predominantly in the mining industry.
 
                                      F-40
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
9. STATEMENT OF OPERATIONS OF SEGMENTS CONSOLIDATED (CONTINUED)
GEOGRAPHICAL SEGMENTS
 
The economic entity has operations and assets in Australia and Africa. Segmental
revenue and assets are as follows.
 
<TABLE>
<CAPTION>
                   AUSTRALIA                 AFRICA                  EUROPE               ELIMINATIONS           CONSOLIDATIONS
                1996        1995        1996        1995        1996        1995        1996        1995        1996        1995
<S>          <C>         <C>         <C>         <C>         <C>         <C>         <C>         <C>         <C>         <C>
             ----------  ----------  ----------  ----------      -----   ----------  ----------  ----------  ----------  ----------
                 $'000       $'000       $'000       $'000       $'000       $'000       $'000       $'000       $'000       $'000
             ----------  ----------  ----------  ----------      -----   ----------  ----------  ----------  ----------  ----------
Revenue....     28,585      14,156      25,608      18,713          --         182      (9,617)     (4,650)     44,576      28,401
Segment
  operating
  profit
  before
  tax......      4,415       2,937       2,162       1,169          --           5        (955)       (242)      5,622       3,869
Income tax
  attributable
  to the
  operating
  profit...                                                                                                     (2,049)     (1,508)
Operating
  profit
  after
  income
  tax......                                                                                                      3,573       2,361
Segment
  Assets...     17,659      10,533      18,692      14,107                                (955)       (242)     35,396      24,398
</TABLE>
 
10. RECEIVABLES
 
<TABLE>
<CAPTION>
                                                                                                         1996       1995
                                                                                                        A $'000    A $'000
                                                                                                       ---------  ---------
<S>                                                                                         <C>        <C>        <C>
CURRENT
Trade debtors.............................................................................                 9,586      5,781
Other debtors.............................................................................                   388        238
                                                                                                       ---------  ---------
                                                                                                           9,974      6,019
                                                                                                       ---------  ---------
</TABLE>
 
                                      F-41
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
11. INVESTMENTS
 
<TABLE>
<S>                                                                   <C>        <C>          <C>
Investment in other corporations Shares in listed companies--at
  cost..............................................................                      8           97
Investments in associated entities..................................                    495          140
                                                                                      -----        -----
                                                                                        503          237
                                                                                      -----        -----
Shares in listed companies--at market value.........................                     17          123
                                                                                      -----        -----
The amount of capital gains tax that would be payable if the quoted
  shares in other corporations were sold at balance date at the
  disclosed market values should not exceed:........................                      3            8
 
Associated Companies
The Company holds a 50% interest in Equigold (Ghana) Limited.
</TABLE>
 
12. INVENTORIES
 
<TABLE>
<CAPTION>
                                                                                                        1996         1995
                                                                                                       A $'000      A $'000
                                                                                                     -----------  -----------
<S>                                                                                       <C>        <C>          <C>
Drilling supplies, stores and spare parts for drilling rigs
- -- unused items at cost.................................................................                  3,711        1,530
- -- used items at impaired value.........................................................                  1,164        1,260
                                                                                                          -----        -----
                                                                                                          4,875        2,790
                                                                                                          -----        -----
</TABLE>
 
13. OTHER
 
<TABLE>
<CAPTION>
                                                                                                        1996         1995
                                                                                            NOTE       A $'000      A $'000
                                                                                          ---------  -----------  -----------
<S>                                                                                       <C>        <C>          <C>
CURRENT
Prepayments.............................................................................                    513          436
Withholding tax.........................................................................                 --              231
Deferred expenditure....................................................................                    182       --
                                                                                                          -----        -----
                                                                                                            695          667
                                                                                                          -----        -----
NON-CURRENT
Future income tax benefit...............................................................      6             866          169
                                                                                                          -----        -----
</TABLE>
 
                                      F-42
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
14. PROPERTY, PLANT AND EQUIPMENT
 
<TABLE>
<CAPTION>
                                                                                                       1996       1995
                                                                                                      A $'000    A $'000
                                                                                                     ---------  ---------
<S>                                                                                       <C>        <C>        <C>
Freehold land
  --at independent valuation 1996 (1995:1992)...........................................                   156         30
Freehold buildings
  --at independent valuation 1996 (1995:1992)...........................................                    92        123
  --accumulated depreciation............................................................                    (1)       (33)
                                                                                                     ---------  ---------
                                                                                                            91         90
                                                                                                     ---------  ---------
Buildings on concessional land
  --at cost.............................................................................                   323        277
  --accumulated depreciation............................................................                   (55)       (24)
                                                                                                     ---------  ---------
                                                                                                           268        253
                                                                                                     ---------  ---------
                                                                                                           359        343
                                                                                                     ---------  ---------
Plant and equipment
  --at cost.............................................................................                 2,432      1,632
  --accumulated depreciation............................................................                  (868)      (510)
                                                                                                     ---------  ---------
                                                                                                         1,564      1,122
                                                                                                     ---------  ---------
  --at independent valuation 1987.......................................................                    75         75
  --accumulated depreciation............................................................                   (75)       (75)
                                                                                                     ---------  ---------
                                                                                                        --         --
                                                                                                     ---------  ---------
                                                                                                         1,564      1,122
                                                                                                     ---------  ---------
Motor vehicles and drilling rigs
  -at cost..............................................................................                20,148     13,812
  -accumulated depreciation.............................................................                (6,230)    (4,225)
                                                                                                     ---------  ---------
                                                                                                        13,918      9,587
                                                                                                     ---------  ---------
  --at independent valuation 1987.......................................................                 1,250      1,300
  --accumulated depreciation............................................................                (1,136)    (1,062)
                                                                                                     ---------  ---------
                                                                                                           114        238
                                                                                                     ---------  ---------
                                                                                                        14,032      9,825
Capital works in progress--at cost......................................................                   988        789
                                                                                                     ---------  ---------
Total property, plant & equipment
  --net book value......................................................................                17,099     12,109
                                                                                                     ---------  ---------
</TABLE>
 
a)  Freehold land and buildings were revalued in May 1996, by an independent
    valuer, Brad Reed, AVLE (Val & Econ), on the basis of the open market value
    of the properties concerned in their existing use. The directors are of the
    opinion that this basis provides a reasonable estimate of recoverable
    amount.
 
                                      F-43
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
14. PROPERTY, PLANT AND EQUIPMENT (CONTINUED)
    The net surplus on revaluation of the land and buildings during 1996 of
    $139,000 was transferred to the asset revaluation reserve (note 20).
 
    This valuation is in accordance with the Company's policy of obtaining an
    independent valuation of land and buildings every three years.
 
    In revaluing freehold land and buildings the Directors have not taken into
    account the potential impact of capital gains tax on the grounds that the
    assets are an integral part of the Company's operations and there is no
    intention to sell the assets.
 
15. CREDITORS AND BORROWINGS
 
<TABLE>
<CAPTION>
                                                                                                      1996         1995
                                                                                          NOTE       A $'000      A $'000
                                                                                        ---------  -----------  -----------
<S>                                                                                     <C>        <C>          <C>
CURRENT
Trade creditors.......................................................................                  3,824        3,318
Bank overdraft
  --secured...........................................................................     16           1,321       --
  --unsecured.........................................................................                 --               43
Hire purchase liabilities
  --secured...........................................................................     16, 22      --            2,266
Bank loan
  --unsecured.........................................................................     16           1,180       --
                                                                                                        -----        -----
                                                                                                        6,325        5,627
                                                                                                        -----        -----
NON-CURRENT
Hire purchase liabilities
  --secured...........................................................................     16, 22      --            2,136
Bank bill facility
  --secured...........................................................................     16           7,767       --
Bank loan
  --unsecured.........................................................................     16             243          648
                                                                                                        -----        -----
                                                                                                        8,010        2,784
                                                                                                        -----        -----
                                                                                                        -----        -----
</TABLE>
 
                                      F-44
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
16. FINANCING ARRANGEMENTS
 
<TABLE>
<CAPTION>
                                                                                                   1996       1995
                                                                                                  A S`000    A $`000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
The economic entity has access to the following lines of credit:
Total facilities available:
 
Bank overdraft/bill facility...................................................................      9,300        300
Bank credit facility...........................................................................         50         30
Bank loan......................................................................................      1,423        648
Floating debenture.............................................................................     --          1,078
Hire purchase facilities.......................................................................     --          3,324
                                                                                                 ---------  ---------
                                                                                                    10,773      5,380
                                                                                                 ---------  ---------
Facilities utilised at balance date:
 
Bank overdraft.................................................................................      1,321     --
Bank bill facility.............................................................................      7,767     --
Bank credit facility...........................................................................     --         --
Bank loan......................................................................................      1,423        648
Floating debenture.............................................................................     --          1,078
Hire purchase facilities.......................................................................     --          3,324
                                                                                                 ---------  ---------
                                                                                                    10,511      5,050
                                                                                                 ---------  ---------
Facilities not utilised at balance date:
 
Bank overdraft/bill facility...................................................................        212        300
Bank credit facility...........................................................................         50         30
                                                                                                 ---------  ---------
                                                                                                       262        330
                                                                                                 ---------  ---------
</TABLE>
 
BANK OVERDRAFT/CREDIT FACILITY
 
    The bank overdraft/credit facilities are secured by a registered first
mortgage debenture over the economic entity's assets and undertakings.
 
    The bank overdraft/credit facility is of a continuous nature, subject to
satisfactory annual review.
 
BANK LOAN
 
    The bank loan is unsecured and was established to finance the purchase of 3
drilling rigs for the Company's Ghana operations.
 
    The loan is payable according to a schedule of payment due for completion in
May 1998.
 
                                      F-45
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
17. AMOUNTS PAYABLE/RECEIVABLE IN FOREIGN CURRENCIES
 
    The Australian dollar equivalents to unhedged amounts payable or receivable
in foreign currencies calculated at year end exchange rates are as follows:
 
<TABLE>
<CAPTION>
                                                                                                   1996       1995
                                                                                                  A S`000    A $`000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
United States Dollars
Amounts payable--current.......................................................................        188         57
Amounts receivable--current....................................................................      5,851      4,460
Ghanaian Cedis
Amounts payable--current.......................................................................        189        250
Amounts receivable--current....................................................................        116         36
Swedish Kroner
Amounts payable--current.......................................................................        275        297
</TABLE>
 
18. PROVISIONS
 
<TABLE>
<CAPTION>
                                                                                                        1996         1995
                                                                                            NOTE       A $'000      A $'000
                                                                                          ---------  -----------  -----------
<S>                                                                                       <C>        <C>          <C>
CURRENT
Dividends...............................................................................      7           1,910          701
Employee entitlements...................................................................     21             338          267
Income tax..............................................................................      6           1,042          466
                                                                                                          -----        -----
                                                                                                          3,290        1,434
                                                                                                          -----        -----
NON-CURRENT
Employee entitlements...................................................................     21               7            6
Deferred income tax.....................................................................      6           2,879        2,009
                                                                                                          -----        -----
                                                                                                          2,886        2,015
                                                                                                          -----        -----
</TABLE>
 
19. SHARE CAPITAL
 
<TABLE>
<CAPTION>
                                                                                                   1996       1995
                                                                                                  A S`000    A $`000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
(A) AUTHORISED CAPITAL
   250,000,000 ordinary shares of $0.20 each...................................................     50,000     50,000
                                                                                                 ---------  ---------
(B) ISSUED CAPITAL
   36,089,420 ordinary shares of $0.20 each (1995: 35,079,870).................................      7,218      7,016
                                                                                                 ---------  ---------
                                                                                                     7,218      7,016
                                                                                                 ---------  ---------
</TABLE>
 
                                      F-46
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
19. SHARE CAPITAL (CONTINUED)
 
ORDINARY SHARES
 
    On 1 March, 1996, the Company made an issue of 1,009,550 ordinary shares of
20 cents each at 54 cents per share in accordance with the Dividend Reinvestment
Plan.
 
EMPLOYEE SHARE OPTION PLAN
 
    On 30 May, 1996, the Directors resolved to issue 1,000,000 options to the
employees of the Company at an exercise price of 67 cents each under the terms
of the Stanley Mining Services Limited Employee Share Option Plan. On 28 June,
1996, the Shareholders approved the issue of up to 200,000 of these options to
Mr. L. D. Humfrey, a director of the Company.
 
    At 30 June 1996 no options have been allocated.
 
20. RESERVES
 
<TABLE>
<CAPTION>
                                                                                                            1996         1995
                                                                                               NOTE        A$'000       A$'000
                                                                                               -----     -----------  -----------
<S>                                                                                         <C>          <C>          <C>
Asset revaluation reserve.................................................................                      142            3
Share premium.............................................................................                    2,280        1,937
                                                                                                              -----        -----
                                                                                                              2,422        1,940
                                                                                                              -----        -----
Movements during the year
Share premium
Balance at beginning of year..............................................................                    1,937       --
Add: Premium on ordinary shares issued during the year....................................          19          343        2,700
Less: Share issue expenses applied........................................................                   --              763
                                                                                                              -----        -----
Balance at end of year....................................................................                    2,280        1,937
                                                                                                              -----        -----
Asset revaluation
Balance at beginning of year..............................................................                        3            3
Add: Revaluation increment on freehold land and buildings.................................          14          139       --
                                                                                                              -----        -----
Balance at end of year....................................................................                      142            3
                                                                                                              -----        -----
</TABLE>
 
21. EMPLOYEE ENTITLEMENTS
 
<TABLE>
<CAPTION>
                                                                                                            1996         1995
                                                                                               NOTE        A$'000       A$'000
                                                                                               -----     -----------  -----------
<S>                                                                                         <C>          <C>          <C>
Aggregate employee entitlements, including on-costs
- --Current.................................................................................          18          338          267
- --Non-Current.............................................................................          18            7            6
                                                                                                              -----        -----
                                                                                                                345          273
                                                                                                              -----        -----
</TABLE>
 
                                      F-47
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
21. EMPLOYEE ENTITLEMENTS (CONTINUED)
    The present value of employee entitlements not expected to be settled within
twelve months of balance date have not been calculated as the amounts are
considered to be immaterial.
 
22. COMMITMENTS
 
<TABLE>
<CAPTION>
                                                                                                            1996         1995
                                                                                               NOTE        A$'000       A$'000
                                                                                               -----     -----------  -----------
<S>                                                                                         <C>          <C>          <C>
NON CANCELLABLE OPERATING LEASE COMMITMENTS
Future operating leases not provided for in the financial statements & payable:
  Not later than one year.................................................................                      138           17
  Later than one year but not later than two years........................................                      138       --
  Later than two years but not later than five years......................................                      414       --
                                                                                                              -----        -----
                                                                                                                690           17
                                                                                                              -----        -----
HIRE PURCHASE COMMITMENTS
Future hire purchase commitments are payable as follows:
  Not later than one year.................................................................                   --            2,628
  Later than one year but not later, than two years.......................................                   --            1,592
  Later than two years but not later that five years......................................                   --              721
                                                                                                              -----        -----
                                                                                                             --            4,941
Less: Future term charges.................................................................                   --             (539)
                                                                                                              -----        -----
                                                                                                             --            4,402
                                                                                                              -----        -----
Disclosed as:
  Current.................................................................................          15       --            2,266
  Non-current.............................................................................          15       --            2,136
                                                                                                              -----        -----
                                                                                                             --            4,402
                                                                                                              -----        -----
CAPITAL EXPENDITURE COMMITMENTS
Contracted but not provided for and payable as follows:
  Not later than one year.................................................................                      732       --
  Later than one year but not later than two years........................................                      284       --
                                                                                                              -----        -----
                                                                                                              1,016       --
                                                                                                              -----        -----
</TABLE>
 
SUPERANNUATION COMMITMENTS
 
    The Company and its controlled entities contribute to various employee
defined contribution superannuation funds in accordance with the requirements of
the Superannuation Guarantee Administration Act 1992. The contributions are
based on a percentage of employee gross salaries. All employees are entitled to
benefits on retirement, disability or death.
 
    The Company and other controlled entities are under no legal obligation to
make up any shortfall in the fund's assets to meet payments due to employees.
 
                                      F-48
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
23. DEED OF CROSS GUARANTEE
 
    Pursuant to an ASC Class Order 95/1530 dated 31 October, 1995, relief was
granted to the wholly-owned subsidiaries listed below from the Corporations Law
requirements for preparation, audit, and publication of accounts.
 
    It is a condition of the Class Order that the Company and each of the
subsidiaries enter into a Deed of Cross Guarantee. The effect of the Deed is
that the Company guarantees to each creditor payment in full of any debt in the
event of winding up of any of the subsidiaries under certain provisions of the
Corporations Law. If a winding up occurs under other provisions of the Law, the
Company will only be liable in the event that after six months any creditor has
not been paid in full. The subsidiaries have also given similar guarantees in
the event that the Company is wound up.
 
    The Subsidiaries subject to the Deed are:
 
        Stanmines NL (ACN 009 248 122)
 
        International Mining Services Pty Ltd (ACN 008 945 471)
 
    At balance date, the Company and subsidiaries which are a party to the Deed
have aggregate assets of $35,606,308 (1995: $25,042,078); aggregate liabilities
of $19,673,046 (1995: $10,600,721); and their contribution to the consolidated
operating profit after income tax for the year was $3,573,251 (1995:
$2,754,587).
 
24. PARTICULARS IN RELATION TO CONTROLLED ENTITIES
<TABLE>
<CAPTION>
                                                                                                                       CONTRIBUTION
                                                                                                   BOOK VALUE OF       TO
                                                                                                    EACH PARENT        CONSOLIDATED
                                                                          INTEREST HELD         ENTITY'S INVESTMENT     PROFIT
                                                                                                                       AFTER TAX
                                                         CLASS OF         -------------        ----------------------  ---------
                                              NOTE        SHARES        1996         1995        1996        1995        1996
                                              -----     -----------     -----        -----     ---------     -----     ---------
                                                                          %            %           $           $         $'000
                                                                        -----        -----     ---------     -----     ---------
<S>                                        <C>          <C>          <C>          <C>          <C>        <C>          <C>
Stanley Mining Services Limited..........                                                                                  1,766
CONTROLLED ENTITIES
International Mining Services Pty Ltd....          (i)  Ord.......          100          100         100         100       1,807
Stanmines NL.............................          (i)         Ord          100          100           5           5      --
Stanley Exploration & Mining Company
  Ltd....................................         (ii)         Ord          100          100          50          50      --
Stanmines Ghana Ltd......................         (ii)         Ord          100          100          50          50      --
Stanley Mining Services (Tanzania) Ltd...        (iii)         Ord          100          100           4      --          --
                                                                                                                       ---------
                                                                                                                           3,573
                                                                                                                       ---------
 
<CAPTION>
 
                                             1995
                                           ---------
                                             $'000
                                           ---------
<S>                                        <C>
Stanley Mining Services Limited..........      2,381
CONTROLLED ENTITIES
International Mining Services Pty Ltd....        475
Stanmines NL.............................         (1)
Stanley Exploration & Mining Company
  Ltd....................................       (494)
Stanmines Ghana Ltd......................     --
Stanley Mining Services (Tanzania) Ltd...     --
                                           ---------
                                               2,361
                                           ---------
</TABLE>
 
NOTES
 
(i) International Mining Services Pty Ltd and Stanmines NL have each entered
    into a Deed of Cross Guarantee with Stanley Mining Services in respect of
    relief granted from specified accounting and financial reporting
    requirements in accordance with a class order. Refer Note 23.
 
(ii) Stanley Exploration & Mining Company Ltd and Stanmines Ghana NL were
    incorporated in and carry on business in Ghana.
 
                                      F-49
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
24. PARTICULARS IN RELATION TO CONTROLLED ENTITIES (CONTINUED)
(iii) Stanley Mining Services(Tanzania) Ltd was incorporated in and carries on
    business in Tanzania.
 
25. ACQUISITION/DISPOSAL OF CONTROLLED ENTITIES
 
    During the year the economic entity ceased to have management control in
Equigold (Ghana) Ltd. The economic entity retains its 50% interest in the
entity.
 
26. INVESTMENTS IN ASSOCIATED COMPANIES
 
EQUITY INFORMATION
 
    Investments in associated companies are accounted for on a cost basis in the
Company Financial Statements and the Consolidated Accounts.
 
    Information about the investments under the equity accounting method is set
out below:
 
<TABLE>
<CAPTION>
                                                                                                      1996         1995
                                                                                                     A$'000       A$'000
                                                                                                   -----------  -----------
<S>                                                                                                <C>          <C>
Share of associated companies' operating profit/(loss) and extraordinary items after income
  tax............................................................................................          (5)      --
                                                                                                          ---          ---
Share of associated companies' profits/(losses) not brought to account in the consolidated
  accounts.......................................................................................          (5)      --
                                                                                                          ---          ---
Share of associated companies' accumulated losses................................................          (5)      --
Cost of Investment...............................................................................         495          140
                                                                                                          ---          ---
Equity Accounted Amount of Investment............................................................         490          140
                                                                                                          ---          ---
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                                           INVESTMENT
                                                                                                         CARRYING VALUE
                                                                                   INTEREST
                                                                            ----------------------  ------------------------
                                   PRINCIPLES     PLACE OF      CLASS OF      1996        1995         1996         1995
NAME                               ACTIVITIES      INCORP.        SHARE         %           %          $'000        $'000
- ---------------------------------  -----------  -------------  -----------  ---------     -----        -----        -----
<S>                                <C>          <C>            <C>          <C>        <C>          <C>          <C>
Equigold (Ghana) Ltd.............  Exploration          Ghana        Ord.          50        50        339          140
Equigold (Cote D'Ivoire) SA......  Exploration  Cote D'Ivoire  Ord               42.5      --          156         --
                                                                                                       ---          ---
                                                                                                       495          140
                                                                                                       ---          ---
</TABLE>
 
The balance date of Associated Companies is June 30 1996.
 
                                      F-50
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
27. DIRECTORS' REMUNERATION
<TABLE>
<CAPTION>
                                                                                                            1996         1995
                                                                                                         -----------  -----------
<S>                                                                                         <C>          <C>          <C>
REMUNERATION OF DIRECTORS
The number of Directors of the Company, including Executive Directors, whose income from
  the Company or related bodies corporate, falls within the following bands:
  $ 10,000-$19,999........................................................................                   --                2
  $ 20,000-$29,999........................................................................                        2       --
  $ 30,000-$39,999........................................................................                   --                1
  $160,000-$169,999.......................................................................                   --                1
  $200,000-$209,999.......................................................................                        1       --
  $210,000-$219,999.......................................................................                        1            1
 
<CAPTION>
 
                                                                                                           A$'000       A$'000
                                                                                                         -----------  -----------
<S>                                                                                         <C>          <C>          <C>
Total income received or due and receivable by all Directors of each entity in the
  economic entity from the Company, related bodies corporate, or controlled entities. ....                      467          444
</TABLE>
 
    The above amounts (including the comparatives) are disclosed in accordance
with ASC Class Order 95/741 dated 27 June, 1995. These amounts are disclosed in
aggregate as the Directors believe that provision of full particulars would be
unreasonable.
 
    Directors' income includes amounts paid by the Company during the year to
indemnify executives, but does not include insurance premiums paid by the
Company or related bodies corporate in respect of Directors' and Officers'
liabilities insurance contracts as the insurance policies do not specify
premiums paid in respect of individual Directors. Details of insurance premiums
paid are set out in the Directors Report.
 
                                      F-51
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
28. EXECUTIVES REMUNERATION
<TABLE>
<CAPTION>
                                                                                                            1996         1995
                                                                                                         -----------  -----------
<S>                                                                                         <C>          <C>          <C>
EXECUTIVES INCOME
The income of executives who work wholly or mainly outside Australia is not included in
  this disclosure.
The number of executive officers of the economic entity whose income from the Company,
  entities in the economic entity, or related entities falls within the following bands:
  $100,000--$109,999......................................................................                        1       --
  $110,000--$119,999......................................................................                        1            1
  $160,000--$169,999......................................................................                   --                1
  $200,000--$209,999......................................................................                        1       --
  $210,000--$219,999......................................................................                        1            1
 
<CAPTION>
 
                                                                                                           A$'000       A$'000
                                                                                                         -----------  -----------
<S>                                                                                         <C>          <C>          <C>
Total income received, or due and receivable, from the Company, entities in the economic
  entity, or related entities by executive officers of the economic entity whose income
  exceeds $100,000........................................................................                      641          492
</TABLE>
 
29. RELATED PARTIES
 
DIRECTORS
 
    The names of each person holding the position of Director of Stanley Mining
Services Limited during the financial year are Messrs M. D. Perrott, R. F.
Stanley, L. D. Humfrey, N. Giorgetta, P. E. Huston and T. R. Kestel. Details of
Directors' remuneration are set out in Note 27.
 
    Apart from the details disclosed in this note, no Director has entered into
a material contract with the Company or the economic entity since the end of the
previous financial year, and there were no material contracts involving
Directors' interests subsisting at year end.
 
    The following transactions with Directors and their Director related
entities were conducted on normal commercial terms and conditions no more
favourable than those available, or which might reasonably be expected to be
available, on similar transactions to non-director related entities on an arm's
length basis.
 
        1.  Mr. Stanley and Mr. Kestel are directors of Sierra Bay Pty Ltd which
    has entered into a contract with the Company. The contract is an agreement
    to enter into an operating lease with the Company at the completion of
    construction of an office and workshop complex. Mr. Kestel has no beneficial
    interest in Sierra Bay Pty Ltd.
 
        2.  Mr. Huston is the Principal in the law firm Huston Partners being
    the law firm which provided services to the Company.
 
        3.  Mr. Kestel is a director in the accounting firm Nissen Kestel and
    Harford which supplied accounting and taxation advice to the Company.
 
                                      F-52
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
29. RELATED PARTIES (CONTINUED)
        4.  Mr. Perrott is a director in Perrott Management Pty Ltd which has
    provided management consultancy services to the Company during the year.
 
    The value of transactions during the year with Directors and their Director
related entities were as follows:
 
<TABLE>
<CAPTION>
                                        CONSOLIDATED
                                    --------------------
               DIRECTOR RELATED       1996       1995
DIRECTOR            ENTITY              $          $
- ----------  ----------------------  ---------  ---------
<S>         <C>                     <C>        <C>
P. Huston   Huston Partners            83,256    162,620
R. Kestel   Nissen Kestel &
            Harford                    55,590    154,352
M. Perrott  Perrott Management         84,500     49,000
</TABLE>
 
Amounts payable to Directors and their Director related entities are as follows:
 
<TABLE>
<CAPTION>
                                        CONSOLIDATED
                                    --------------------
                                      1996       1995
ENTITY                                  $          $
- ----------                          ---------  ---------
<S>         <C>                     <C>        <C>
Huston Partners...................     --          7,868
Nissen Kestel and Harford.........     --          7,262
Perrott Management................      7,000      7,000
</TABLE>
 
DIRECTORS HOLDINGS OF SHARES
 
    The relevant interest of Directors of the reporting entity and their
Director related entities in shares of entities within the economic entity at
year end are set out below:
 
<TABLE>
<CAPTION>
                                                           CONSOLIDATED
                                                           NUMBER HELD
                                                       --------------------
                                                         1996       1995
                                                       ---------  ---------
<S>                                                    <C>        <C>
Stanley Mining Services Limited
  $0.20 Ordinary Shares..............................  22,820,388 21,330,703
                                                       ---------  ---------
</TABLE>
 
    WHOLLY OWNED GROUP
 
    Details of interests in wholly owned controlled entities are set out in Note
24. Details of dealings with these entities are set out below.
 
TRANSACTIONS WITHIN THE WHOLLY-OWNED GROUP
 
    Transactions between the Company and related parties in the wholly owned
group consisted of:
 
         i) Sales and purchases of consumables and spares
 
         ii) Administrative and management services
 
        iii) Loans to entities in the wholly owned group
 
                                      F-53
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
29. RELATED PARTIES (CONTINUED)
        iv) Loans repaid by entities in the wholly owned group
 
    Loans between entities within the wholly owned group have no fixed term or
repayment schedule. There is no interest charged or receivable.
 
ASSOCIATED COMPANIES
 
    Refer to Note 26
 
30. NOTES TO THE STATEMENTS OF CASH FLOWS
 
(I) RECONCILIATION OF CASH
 
    For the purposes of the Statements of Cash Flows, cash includes cash on hand
and at bank, net of outstanding bank overdrafts. Cash as at the end of the
financial year as shown in the Statements of Cash Flows is reconciled to the
related items in the Balance Sheet as follows:
 
<TABLE>
<CAPTION>
                                                                                                          1996        1995
                                                                                                 NOTE    A$'000      A$'000
                                                                                           -----------  ---------  -----------
<S>                                                                                        <C>          <C>        <C>
Cash.....................................................................................                   1,384       2,407
Bank overdraft...........................................................................          15      (1,321)        (43)
                                                                                                        ---------       -----
                                                                                                               63       2,364
                                                                                                        ---------       -----
</TABLE>
 
(II) RECONCILIATION OF OPERATING PROFIT/(LOSS) AFTER INCOME TAX TO NET CASH
  PROVIDED BY OPERATING ACTIVITIES
 
<TABLE>
<S>                                                                   <C>          <C>          <C>
Operating profit after income tax...................................                    3,573        2,361
Add: Items classified as financing/investing:
Finance charges.....................................................                   --                3
Add (less) non-cash items:
  (Profit) loss on sale of investments..............................                       20          (27)
  (Profit) loss on sale of property, plant and equipment............                      (69)        (252)
Depreciation and amortisation.......................................                    2,842        1,734
Foreign exchange losses on withholding tax..........................                      243       --
Exploration expenditure written off.................................                   --              494
Withholding tax written off.........................................                      100       --
                                                                                   -----------       -----
Net cash provided by operating activities before change in assets
  and liabilities...................................................                    6,709        4,313
                                                                                   -----------       -----
</TABLE>
 
                                      F-54
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
30. NOTES TO THE STATEMENTS OF CASH FLOWS (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                                                         1996       1995
                                                                                                        A$'000     A$'000
                                                                                                       ---------  ---------
<S>                                                                                       <C>          <C>        <C>
Change in assets and liabilities during the financial year
  Increase in inventories...............................................................                  (2,085)      (812)
  Increase in other assets..............................................................                    (371)      (406)
  Increase in trade and other debtors...................................................                  (3,955)    (3,102)
  Increase in creditors and accruals....................................................                     506        851
  Increase in income taxes payable......................................................                     749        487
  Amounts set aside to provisions.......................................................                      72        135
                                                                                                       ---------  ---------
  Net cash provided by operating activities.............................................                   1,625      1,466
                                                                                                       ---------  ---------
</TABLE>
 
FINANCING ARRANGEMENTS
 
    Refer Note 16
 
31. EVENTS SUBSEQUENT TO BALANCE DATE
 
    During July, 1996 the Company allotted 11,666,667 ordinary shares of 20
cents each at an issue price of 60 cents per share for cash.
 
32. EVENTS SUBSEQUENT TO 12 SEPTEMBER 1996
 
    On 31 October 1996, the Company issued 2,050,799 fully paid ordinary shares
of 20 cents each at 65 cents per share in accordance with the Dividend
Reinvestment Plan.
 
    On 25 November 1996, the Company announced a 1:3 Rights Issue of 17,554,439
shares of 20 cents each to fund the purchase of Glindemann & Kitching Pty Ltd.
This issue was completed on 21 February 1997.
 
    On 17 December 1996 the Company acquired 51% of Glindemann & Kitching Pty
Ltd effective from 1 October 1996. The remaining 49% will be completed in July
1997.
 
    On 17 December 1996 the Company made a cash issue of 2,858,000 ordinary
shares of 20 cents each at 70 cents per share as part consideration of the
acquisition of 51% of Glindemann & Kitching Pty Ltd.
 
    On 27 February 1997 the Directors resolved to allot 2,000,000 options to
employees of the Company at an exercise price of 63 cents each under the terms
of the Stanley Mining Services Limited Employee Share Option Plan.
 
    On 27 February 1997 the 1,000,000 options to employees of the Company at an
exercise price of 67 cents, as previously disclosed, lapsed.
 
    On 27 March 1997, the Company approved the issue of 2,000,000 options to
Michael Perrott, the Chairman and Managing Director, at an exercise price of 70
cents each.
 
                                      F-55
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
32. EVENTS SUBSEQUENT TO 12 SEPTEMBER 1996 (CONTINUED)
    On 8 April 1997, the Company announced it had received a notice of a
proposed takeover from Layne Christensen Australia Pty Ltd which is a fully
owned subsidiary of Layne Christensen Company of Mission Woods, Kansas, USA. The
takeover documents were posted to shareholders during May 1997.
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
 
PRINCIPAL DIFFERENCES BETWEEN AUSTRALIAN GAAP AND US GAAP
 
    Financial statements in the United States are prepared in accordance with
accounting principles generally accepted in the United States ("US GAAP"). In
Australia financial statements are prepared in accordance with applicable
accounting standards issued by the Australian Accounting Standards Board, the
Australian Corporations Law, Schedule 5 to the Corporations Regulations and
other mandatory professional reporting requirements (Urgent Issues Consensus
Views) collectively referred to as "Australian GAAP." The principle differences
between Australian GAAP and US GAAP which are material to the preparation of the
consolidated financial statements of the Company are set out below in this note.
 
(A) MARKETABLE INVESTMENTS SECURITIES
 
    Under Australian GAAP marketable equity securities held for trading purposes
are stated at the lower of aggregate cost or net realisable value. Marketable
equity securities held for investment are stated at cost or directors'
valuation.
 
    Under US GAAP Statement of Financial Accounting Standard No. 115 "Accounting
for Certain Investments in Debt and Equity Securities ("SFAS 115"), requires
investments to be classified into three categories and accounted for as follows:
debt securities that the Company has the positive intent and ability to hold to
maturity are classified as "held-to-maturity securities" and reported at
amortised costs; debt and marketable equity securities that are bought and held
principally for the purpose of selling them in the near term are classified as
"trading securities" and reported at fair value, with unrealised gains and
losses included in earnings; and debt and marketable equity securities not
classified as either held-to-maturity securities or trading securities are
classified as "available-for-sale securities" and reported at fair value, with
unrealised gains and losses excluded from earnings and reported as a separate
component of shareholders' equity net of tax effect.
 
(B) INVESTMENTS IN ASSOCIATES
 
    Under Australian GAAP investments in associates are initially recorded at
cost. Investments in associates may be revalued. Income from investments in
associates is recognised only to the extent of dividends received or receivable
from post-acquisition profits of the investee.
 
    Under US GAAP investments in associates are accounted for under the equity
method of accounting. The equity method of accounting requires the investor to
recognise its proportionate share of the associates' net profit or loss for the
period. Dividends received or receivable are accounted for as reductions in the
carrying value of the investor's investment.
 
                                      F-56
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
(C) DEFERRED EXPENDITURE
 
    SHARE ISSUE EXPENSES
 
    Under Australian GAAP, costs of raising additional share capital are
capitalised and offset against the share premium reserve when the share issue is
finalised.
 
    Under US GAAP a similar treatment is allowed.
 
    INTERNAL COSTS OF ACQUISITIONS AND BUSINESS COMMENCEMENTS
 
    Under Australian GAAP the Company capitalises certain internal costs
incurred in connection with certain business acquisitions and start up of
businesses.
 
    Under US GAAP the internal costs incurred in connection with certain
business acquisitions and business start up are expensed as incurred.
 
    EXPLORATION EXPENDITURE
 
    Under Australian GAAP, all exploration expenditure is capitalised to the
extent that it is expected to be recouped through successful exploitation of the
area or where exploration and evaluation activities have not yet reached a stage
which permits a reasonable assessment of the existence or otherwise of
economically recoverable reserves and significant activities are continuing.
 
    Under US GAAP, exploration expenditure in the search for mineralisation
deposits is expensed as incurred. Once it is determined that mineral reserves
exist and are commercially recoverable future expenditure is capitalised as
development expenditure.
 
(D) ASSET REVALUATIONS
 
    Under Australian GAAP non-current assets may be revalued both upwards and
downwards based on directors' valuations. An upwards revaluation is recorded by
a credit to the asset revaluation reserve as a component of shareholders' equity
and is not taken through the profit and loss account except where a previous
revaluation decrement has been recorded for that class of assets through the
profit and loss account. An impairment or downwards revaluation is taken through
the profit and loss account except where there is a revaluation reserve for that
particular class of assets, in which case the decrement may be debited to that
asset revaluation reserve, to the extent a credit exists, rather than the profit
and loss account.
 
    The Company assesses the recoverability of non-current assets by comparing
the carrying value to the asset's undiscounted cash flow. To the extent that the
asset's carrying value exceeds its undiscounted cash flow, the asset is written
down to that amount.
 
    US GAAP does not permit the upward revaluation of such assets. US GAAP
requires that an impairment of long-lived assets be recognised through the
profit and loss account. Under US GAAP SFAS 121 "Accounting for the Impairment
of Long-Lived Assets and for Long-Lived Assets to be Disposed Of",
 
                                      F-57
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
entities, when assessing an asset for impairment, compare the carrying value of
the asset or group of assets to the relevant expected cash flow, undiscounted
and without interest. If the sum of the undiscounted cash flow is less than the
asset carrying value the asset must be written down to "fair value". One method
of determining an asset's fair value, in the absence of an active market, is its
discounted cash flow. Once impairment is recorded, subsequent recoveries through
the profit and loss account are not allowed until the asset is sold.
 
    Under Australian GAAP, the Company may pay dividends out of its asset
revaluation reserve to the extent that a credit balance exists. Under US GAAP
since no asset revaluation reserve exists, all dividends are paid out of
retained earnings.
 
(E) INCOME TAXES
 
    Under Australian GAAP, income taxes are accounted for in accordance with the
liability method which is equivalent in many respects to United States Statement
of Financial Accounting Standards No. 109, "Accounting for Income Taxes" (SFAS
109). SFAS 109 requires deferred tax assets and liabilities to be recognised for
the estimated future tax consequences attributable to differences between the
financial statement carrying amounts of existing assets and liabilities and
their respective tax bases and operating loss and tax credit carryforwards.
Deferred tax assets and liabilities are measured using enacted tax rates in
effect for the year in which those temporary differences are expected to be
recovered or settled. A valuation allowance is provided on deferred tax assets
to the extent it is not "more likely than not" that such deferred tax assets
will be realised. Under SFAS 109, "more likely than not" is defined as a
likelihood of more than 50 percent.
 
    Under Australian GAAP, deferred tax assets related to temporary differences
are brought to account when they are "assured beyond a reasonable doubt" and net
operating losses pass a "virtually certain" threshold. The effect of a change in
tax rate is recorded in the period the government approves the budget which in
financial year 1995 preceded the enactment date under US GAAP. Accordingly, the
effect of the increase in the Australian tax rate from 33% to 36% is recognised
for US GAAP purposes in fiscal 1996.
 
    With respect to business combinations accounted for as purchases, under
Australian GAAP, differences in the bases of assets and liabilities as a result
of purchase price adjustments do not result in the creation of a deferred tax
asset or liability at the acquisition date. Under US GAAP, the differences
between the assigned values and tax bases of assets and liabilities acquired in
such business combinations require the recognition of deferred tax assets and
liabilities at the acquisition date.
 
(F) DIVIDENDS
 
    Under Australian GAAP, dividends declared subsequent to year end are
provided (accrued) for in the financial statements at year end if the
declaration date is prior to the date the financial statements are signed. Under
US GAAP dividends are recorded in the period declared.
 
                                      F-58
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
(G) STOCK BASED COMPENSATION
 
    EMPLOYEE COMPENSATION
 
    Under Australian GAAP, the issuance of employee stock options does not
result in compensation expense. Under US GAAP, entities may account for employee
stock compensation either in accordance with APB Opinion 25 "Accounting for
Stock Issued to Employees" or Statement of Financial Accounting Standard 123
"Accounting for Stock Based Compensation." APB 25 requires that entities record
compensation expense to the extent that the quoted market price of the
underlying shares at the defined measurement date is greater than the exercise
price to be paid by the employee.
 
    Alternatively, FAS 123 specifics that compensation costs related to stock
based compensation plans shall be based on the estimated fair value of the stock
option as at the grant date, with the resulting compensation being recognised
over the employee vesting period. The fair value of employee stock options is
determined using option pricing models such as the binomial or Black Scholes
models. Presently the Company will be following APB 25 for US GAAP purposes.
Given stock options granted to date have had an exercise price equal to or
greater than the share trading price at date of grant. There is no impact on net
income or shareholders' equity.
 
    NON-EMPLOYEES STOCK OPTIONS
 
    Under Australian GAAP, the issuance of stock options to non-employees with
an exercise price equal to the current market price at date of grant results in
no compensation.
 
    Under US GAAP, the issuance of stock options to non-employees must be
accounted for under the fair value method prescribed in SFAS 123 "Accounting for
Stock-Based Compensation." The fair value of the options granted will be
recorded as expense over their service or vesting period.
 
                                      F-59
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
(H) PROFIT AND LOSS ACCOUNT
 
    Under Australian GAAP, the Company has disclosed certain items as "abnormal"
in the profit and loss statement in the June 1996 accounts. There is no
"abnormal items" category in a US GAAP statement of profit such that these items
would be included as operating income.
 
<TABLE>
<CAPTION>
                                                                                    FOR YEAR ENDED   FOR YEAR ENDED
                                                                                         1996             1995
                                                                                        A$'000           A$'000
                                                                                    ---------------  ---------------
<S>                                                                                 <C>              <C>
Operating profit after income tax in accordance with Australian GAAP..............         3,573            2,361
Adjustments:
  (Realised) Unrealised gains on trading securities...............................           (26)              26
  Share of associates' net loss consisting of deferred exploration expenditure....          (199)          --
  Deferred exploration expenditure................................................        --                  (41)
  Deferred internal costs of acquisition & business commencements.................          (149)          --
  Depreciation relating to revalued assets........................................            33               34
  Gain on sale of revalued asset..................................................             7           --
  Change in tax rates.............................................................          (156)             156
  Tax effect of US GAAP adjustments...............................................            72               14
                                                                                           -----            -----
  Net profit--US GAAP.............................................................         3,155            2,550
                                                                                           -----            -----
</TABLE>
 
                                      F-60
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                        NOTES TO AND FORMING PART OF THE
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
                   FOR THE YEARS ENDED JUNE 30, 1996 AND 1995
 
33. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING
PRINCIPLES TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                            AS AT JUNE 30, 1996  AS AT JUNE 30, 1995
                                                                                  A$'000               A$'000
                                                                            -------------------  -------------------
<S>                                                                         <C>                  <C>
Shareholders equity attributable to members of the parent entity--
  Australian GAAP.........................................................          14,885               12,538
Adjustments:
  Unrealised gains on trading securities..................................          --                       26
  Unrealised gains on available-for-sale securities.......................               9               --
  Share of associates' net loss consisting of deferred exploration
    expenditure...........................................................            (199)              --
  Deferred exploration expenditure........................................            (140)                (140)
  Deferred internal costs of acquisitions & business commencements........            (149)              --
  Asset revaluation reserve...............................................            (142)                  (3)
  Dividend paid from asset revaluation reserve............................            (188)                (188)
  Accumulated depreciation of revalued assets.............................             102                   69
  Gain on sale of revalued asset..........................................               7               --
  Dividend proposed.......................................................           1,910                  701
  Change in tax rates.....................................................          --                      156
  Cumulative tax effect of US GAAP adjustments............................             122                   46
                                                                                    ------               ------
  Shareholders' equity--US GAAP...........................................          16,217               13,205
                                                                                    ------               ------
</TABLE>
 
                                      F-61
<PAGE>
                        STANLEY MINING SERVICES LIMITED
                  UNAUDITED CONSOLIDATED STATEMENTS OF PROFIT
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                         1997       1996
                                                                                            NOTE        A$'000     A$'000
                                                                                           ------      ---------  ---------
<S>                                                                                     <C>            <C>        <C>
Sales revenue.........................................................................                    47,237     30,521
Other revenue.........................................................................                     3,416        660
                                                                                                       ---------  ---------
TOTAL OPERATING REVENUE...............................................................                    50,653     31,181
                                                                                                       ---------  ---------
Operating profit before income tax....................................................            2        5,278      3,875
Income tax attributable to operating profit...........................................                     2,061      1,386
                                                                                                       ---------  ---------
OPERATING PROFIT AFTER INCOME TAX.....................................................                     3,217      2,489
Outside equity interests in operating profit..........................................                     1,219     --
                                                                                                       ---------  ---------
OPERATING PROFIT AFTER INCOME TAX ATTRIBUTABLE TO MEMBERS OF THE COMPANY..............                     1,998      2,489
Retained profits at the beginning of the financial period.............................                     5,245      3,582
                                                                                                       ---------  ---------
Retained profits at the end of the financial period...................................                     7,243      6,071
                                                                                                       ---------  ---------
                                                                                                       ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
               of the unaudited consolidated financial statements
 
                                      F-62
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                     UNAUDITED CONSOLIDATED BALANCE SHEETS
 
                         AS OF MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                          NOTE        1997       1996
                                                                                     A$'000     A$'000
                                                                                    ---------  ---------
<S>                                                                    <C>          <C>        <C>
CURRENT ASSETS
Cash.................................................................           7       4,573        389
Receivables..........................................................                  14,207      9,405
Inventories..........................................................                   8,084      4,542
Other................................................................                     966        432
                                                                                    ---------  ---------
TOTAL CURRENT ASSETS.................................................                  27,830     14,768
                                                                                    ---------  ---------
 
NON-CURRENT ASSETS
Investments..........................................................                   1,324        104
Property, plant & equipment..........................................                  28,139     14,236
Other................................................................                   1,479        508
                                                                                    ---------  ---------
TOTAL NON-CURRENT ASSETS.............................................                  30,942     14,848
                                                                                    ---------  ---------
TOTAL ASSETS.........................................................                  58,772     29,616
                                                                                    ---------  ---------
                                                                                    ---------  ---------
 
CURRENT LIABILITIES
Accounts payable.....................................................                   5,599      4,373
Borrowings...........................................................                   1,620      1,348
Provisions...........................................................                   2,821      1,055
                                                                                    ---------  ---------
TOTAL CURRENT LIABILITIES............................................                  10,040      6,776
                                                                                    ---------  ---------
 
NON-CURRENT LIABILITIES
Borrowings...........................................................                   1,270      4,664
Provisions...........................................................                   4,663      2,604
                                                                                    ---------  ---------
TOTAL NON-CURRENT LIABILITIES........................................                   5,933      7,268
                                                                                    ---------  ---------
TOTAL LIABILITIES....................................................                  15,973     14,044
                                                                                    ---------  ---------
SHAREHOLDERS' EQUITY
Share capital........................................................           5      14,044      7,218
Reserves.............................................................                  13,880      2,283
Retained profits.....................................................                   7,243      6,071
                                                                                    ---------  ---------
TOTAL SHAREHOLDERS' EQUITY ATTRIBUTABLE TO MEMBERS OF THE COMPANY....                  35,167     15,572
Outside equity interests in controlled entities......................                   7,632     --
                                                                                    ---------  ---------
TOTAL SHAREHOLDERS' EQUITY...........................................                  42,799     15,572
                                                                                    ---------  ---------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY...........................                  58,772     29,616
                                                                                    ---------  ---------
                                                                                    ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
               of the unaudited consolidated financial statements
 
                                      F-63
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                       UNAUDITED CONSOLIDATED STATEMENTS
                       OF CHANGES IN SHAREHOLDERS' EQUITY
 
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                   1997       1996
                                                                                                  A$'000     A$'000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
AUTHORISED CAPITAL
Ordinary shares of 20 cents each...............................................................     50,000     50,000
                                                                                                 ---------  ---------
Opening balance................................................................................      7,218      7,016
Additional shares issued.......................................................................      6,826        202
                                                                                                 ---------  ---------
Total share capital............................................................................     14,044      7,218
                                                                                                 ---------  ---------
RETAINED PROFITS
Retained profits at the beginning of the financial period as stated............................      5,245      3,582
Operating profit after income tax attributable to members of the Company.......................      1,998      2,489
                                                                                                 ---------  ---------
Retained profits at the end of the financial period as stated..................................      7,243      6,071
                                                                                                 ---------  ---------
RESERVES
SHARE PREMIUM RESERVE
Opening balance................................................................................      2,280      1,937
Premium on additional shares issued............................................................     12,285        343
Share placement costs..........................................................................       (827)    --
                                                                                                 ---------  ---------
Closing balance................................................................................     13,738      2,280
                                                                                                 ---------  ---------
ASSET REVALUATION RESERVE
Opening balance................................................................................        142          3
                                                                                                 ---------  ---------
Closing balance................................................................................        142          3
                                                                                                 ---------  ---------
Total reserves.................................................................................     13,880      2,283
                                                                                                 ---------  ---------
TOTAL SHAREHOLDERS' EQUITY ATTRIBUTABLE TO THE MEMBERS OF THE COMPANY..........................     35,167     15,572
                                                                                                 ---------  ---------
OUTSIDE EQUITY INTERESTS IN CONTROLLED ENTITIES................................................      7,632     --
                                                                                                 ---------  ---------
TOTAL SHAREHOLDERS' EQUITY.....................................................................     42,799     15,572
                                                                                                 ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
               of the unaudited consolidated financial statements
 
                                      F-64
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
 
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                 1997       1996
                                                                                                A $'000    A $'000
                                                                                               ---------  ---------
<S>                                                                                            <C>        <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts in the course of operations....................................................     45,489     27,196
Cash payments in the course of operations....................................................    (40,741)   (24,284)
Income taxes paid............................................................................       (929)      (627)
Withholding taxes paid.......................................................................       (322)      (471)
Interest and other items of a similar nature received........................................        277         71
Interest and other finance costs paid........................................................       (282)      (308)
Dividends received...........................................................................          9     --
                                                                                               ---------  ---------
NET CASH PROVIDED BY OPERATING ACTIVITIES....................................................      3,501      1,577
                                                                                               ---------  ---------
CASH FLOWS FROM INVESTING ACTIVITIES
Payment for controlled entity................................................................     (6,057)    --
Cost of acquisition..........................................................................       (361)    --
Proceeds on sale of investments attributable to minority interests...........................      1,372     --
Proceeds on sale of investments..............................................................     --              1
Proceeds on sale of plant and equipment......................................................        182         47
Payments for property, plant and equipment...................................................     (5,257)    (4,398)
Payment for investments......................................................................       (821)        (7)
                                                                                               ---------  ---------
NET CASH USED IN INVESTING ACTIVITIES........................................................    (10,942)    (4,357)
                                                                                               ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
               of the unaudited consolidated financial statements
 
                                      F-65
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS
 
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                    1997       1996
                                                                                         NOTE      A $'000    A $'000
                                                                                       ---------  ---------  ---------
<S>                                                                                    <C>        <C>        <C>
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid.......................................................................                  (577)      (702)
Proceeds from share issue............................................................                17,777        545
Repayment of borrowings..............................................................               (16,426)       (38)
Proceeds from borrowings.............................................................                 8,506      4,664
Hire purchase payments...............................................................                --         (4,402)
Cost of capital raising..............................................................                  (827)    --
                                                                                                  ---------  ---------
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES..................................                 8,453         67
                                                                                                  ---------  ---------
NET INCREASE (DECREASE) IN CASH HELD.................................................                 1,012     (2,713)
CASH AT THE BEGINNING OF THE FINANCIAL PERIOD........................................                    63      2,364
CASH BALANCES IN CONTROLLED ENTITIES ACQUIRED........................................                 1,878     --
                                                                                                  ---------  ---------
CASH AT THE END OF THE FINANCIAL PERIOD..............................................          7      2,953       (349)
                                                                                                  ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
               of the unaudited consolidated financial statements
 
                                      F-66
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                       CONSOLIDATED FINANCIAL STATEMENTS
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
1. BASIS OF PREPARATION OF NINE MONTHS FINANCIAL STATEMENTS
 
    The general purpose nine months consolidated financial statements have been
prepared in accordance with the requirements of the Corporations Law on the
basis of Accounting Standard AASB 1029 and other mandatory professional
reporting requirements (Urgent Issues Group Consensus Views) with the exception
of disclosures of the dividend franking account and earnings per share. It is
recommended that the nine months financial statements and report be read in
conjunction with the 30 June 1996 Annual Financial Statements and Reports and
any public announcements by Stanley Mining Services Limited and its controlled
entities during the nine months in accordance with continuous disclosure
obligations arising under the Corporations Law.
 
    The accounting policies have been consistently applied by the entities in
the economic entity and are consistent with those of the previous financial
year.
 
    The carrying amount of non-current assets are reviewed to determine whether
they are in excess of their recoverable amount at the end of the nine months. If
the carrying amount of a non-current asset exceeds the recoverable amount, the
asset is written down to the lower amount. In assessing recoverable amounts the
relevant cash flows have not been discounted to their present value.
 
    For the purposes of preparing the nine months financial statements, the nine
months has been treated as a discrete reporting period.
 
    A reconciliation of the major differences between these accounts and those
applicable under generally accepted accounting principles in the United States
("US GAAP") is included in note 9.
 
2. OPERATING PROFIT BEFORE INCOME TAX
 
<TABLE>
<CAPTION>
                                                                                                      1997         1996
                                                                                                     A$'000       A$'000
                                                                                                   -----------  -----------
<S>                                                                                                <C>          <C>
Operating profit before income tax has been arrived at after including:
Interest received or due and receivable..........................................................         277           71
Interest paid or due and payable (including lease finance charges)...............................         282          308
Depreciation including all forms of amortisation.................................................       3,823        2,000
</TABLE>
 
3. DIVIDENDS
 
    Stanley Mining Services Limited paid the following dividends in respect of
the nine months ended 31 March 1997 and 1996:
 
    4 cents per share franked to 100% with class "C" (36%) franking credits paid
on 31 October 1996. The dividend was provided for at 30 June 1996.
 
    2 cents per share franked to 72% from profits taxed at 39% being $505,204
and franked to 28% from profit taxed at 39% being $196,393 giving a total
dividend of $701,597. The dividend was paid on 1 March, 1996.
 
                                      F-67
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
4. CONTROL GAINED OVER ENTITY
 
    The economic entity gained control over the following entity during the
period:
 
<TABLE>
<CAPTION>
                                                                                                       CONTRIBUTION
                                                                                                 ------------------------
                                                                                                     (2)
                                                                                                    1997         1996
NAME                                                                              DATE (1)         A$'000       A$'000
- ----------------------------------------------------------------------------  -----------------  -----------  -----------
<S>                                                                           <C>                <C>          <C>
Glindemann & Kitching Pty Ltd...............................................   1 October 1996           733       --
</TABLE>
 
- ------------------------
 
(1) Date is date control was gained.
 
(2) Contribution to consolidated profit after tax.
 
5. SHARE CAPITAL
 
<TABLE>
<CAPTION>
                                                                                                   1997       1996
                                                                                                  A$'000     A$'000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
(a) Authorised capital 250,000,000 shares of $0.20 each........................................     50,000     50,000
                                                                                                 ---------  ---------
(b) Issued capital 70,219,325 ordinary shares of $0.20 each [1996: 36,089,420].................     14,044      7,218
                                                                                                 ---------  ---------
Total..........................................................................................     14,044      7,218
                                                                                                 ---------  ---------
</TABLE>
 
ORDINARY SHARES
 
    Between 3 July and 16 July 1996 the Company made a cash issue of 11,666,667
ordinary shares of 20 cents each at an issue price of 60 cents to fund expansion
of the drilling operations of the Company in Australia and Ghana, and to provide
$1.5 million to fund the Company's portion of exploration expenditure on its
mining interests in Ghana.
 
    On 31 October 1996, the Company issued 2,050,799 fully paid ordinary shares
of 20 cents each at 65 cents per share in accordance with the Dividend
Reinvestment Plan.
 
    On 17 December 1996 the Company made a cash issue of 2,858,000 ordinary
shares of 20 cents each at 70 cents per share as part consideration of the
acquisition of 51% of Glindemann & Kitching Pty Ltd.
 
EMPLOYEE SHARE OPTION PLAN
 
    On 27 February 1997, the Company issued 2,000,000 options to employees of
the Company at an exercise price of 63 cents each under the terms of the Stanley
Mining Services Limited Employee Share Option Plan. At 31 March 1997 no options
had been exercised.
 
OPTIONS
 
    On 27 March 1997, the Company issued 2,000,000 options to Michael Perrott,
the Managing Director and Chairman, at an exercise price of 70 cents each in
consideration of him entering into a 2 year service agreement as follows:
 
    1,000,000 options exercisable on after 1 February 1998 and prior to 31
January 2003.
 
                                      F-68
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
5. SHARE CAPITAL (CONTINUED)
    1,000,000 options exercisable on or after 1 February 1999 and prior to 31
January 2003.
 
RIGHTS ISSUE
 
    On 21 February 1997, the Company issued 17,554,439 shares at an issue price
of 50 cents pursuant to a prospectus dated 20 December 1996. The purpose of the
issue was to repay the short term debt facility taken out by the Company to
partially fund the Glindemann & Kitching Pty Ltd acquisition and to provide
further working capital to the Company.
 
6. INVESTMENTS IN ASSOCIATED COMPANIES EQUITY INFORMATION
 
    Investments in associated companies are accounted for on a cost basis in the
nine months consolidated financial statements.
 
    Information about the investments under the equity accounting method is set
out below:
 
<TABLE>
<CAPTION>
                                                                                                      1997         1996
                                                                                                     A$'000       A$'000
                                                                                                   -----------  -----------
<S>                                                                                                <C>          <C>
Share of associated companies' operating profit (loss) and extra ordinary items after income
  tax............................................................................................      --           --
                                                                                                        -----          ---
Share of associated companies' profits (losses) not brought to account in the consolidated
  accounts.......................................................................................      --           --
                                                                                                        -----          ---
Share of associated companies' accumulated losses................................................          (5)      --
Cost of investment...............................................................................       1,092          208
                                                                                                        -----          ---
Equity accounted amount of investment............................................................       1,087          208
                                                                                                        -----          ---
                                                                                                        -----          ---
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                                        CONSOLIDATED
                                                                                                          INTEREST
                                                                                                ----------------------------
                                                                                   CLASS OF         1997           1996
NAME                                                     PRINCIPAL ACTIVITIES        SHARE            %              %
- ------------------------------------------------------  -----------------------  -------------  -------------  -------------
<S>                                                     <C>                      <C>            <C>            <C>
Equigold (Ghana) Ltd..................................         Exploration               Ord            50              50
Equigold (Cote D'Ivoire) SA...........................         Exploration               Ord            42.5        --
</TABLE>
 
                                      F-69
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
7. NOTES TO THE STATEMENTS OF CASH FLOWS
 
RECONCILIATION OF CASH
 
    For the purpose of the Statements of Cash Flows, cash includes cash on hand
and at bank, net of outstanding bank overdrafts. Cash as at the end of the
financial period as shown in the Statements of Cash Flows are reconciled to the
related items in the balance sheets as follows:
 
<TABLE>
<CAPTION>
                                                                                1997        1996
                                                                               A$'000      A$'000
                                                                              ---------  -----------
<S>                                                                           <C>        <C>
Cash........................................................................      4,573         389
Bank overdraft..............................................................     (1,620)       (738)
                                                                              ---------       -----
Totals......................................................................      2,953        (349)
                                                                              ---------       -----
</TABLE>
 
8. EVENTS SUBSEQUENT TO 31 MARCH 1997
 
TAKEOVER
 
    On 8 April 1997 the Company announced it had received a notice of a proposed
takeover from Layne Christensen Australia Pty Ltd, which is a fully owned
subsidiary of Layne Christensen Company of Mission Woods, Kansas, USA. The
takeover documents were posted to shareholders during May 1997. On 26 June 1997
the Company announced that the offer had gone unconditional with acceptances at
the date of these financial statements of 97% of the issued capital.
 
9. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
 
PRINCIPAL DIFFERENCES BETWEEN AUSTRALIAN GAAP AND US GAAP
 
    Financial statements in the United States are prepared in accordance with
accounting principles generally accepted in the United States ("US GAAP"). In
Australia financial statements are prepared in accordance with applicable
accounting standards issued by the Australian Accounting Standards Board, the
Australian Corporations Law, Schedule 5 to the Corporations Regulations and
other mandatory professional reporting requirements (Urgent Issues Consensus
Views) collectively referred to as "Australian GAAP." The principal differences
between Australian GAAP and US GAAP which are material to the preparation of the
consolidated financial statements of the Company are set out below in this note.
 
(A) MARKETABLE INVESTMENTS SECURITIES
 
    Under Australian GAAP marketable equity securities held for trading purposes
are stated at the lower of aggregate cost or net realisable value. Marketable
equity securities held for investment are stated at cost or directors'
valuation.
 
    Under US GAAP Statement of Financial Accounting Standard No. 115 "Accounting
for Certain Investments in Debt and Equity Securities" ("SFAS 115"), requires
investments to be classified into three
 
                                      F-70
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
9. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
categories and accounted for as follows: debt securities that the Company has
the positive intent and ability to hold to maturity are classified as
"held-to-maturity securities" and reported at amortised cost; debt and
marketable equity securities that are bought and held principally for the
purpose of selling them in the near term are classified as "trading securities"
and reported at fair value, with unrealised gains and losses included in
earnings; and debt and marketable equity securities not classified as either
held-to-maturity securities or trading securities are classified as
"available-for-sale securities" and reported at fair value, with unrealised
gains and losses excluded from earnings and reported as a separate component of
shareholders' equity net of tax effect.
 
(B) INVESTMENTS IN ASSOCIATES
 
    Under Australian GAAP investments in associates are initially recorded at
cost. Investments in associates may be revalued. Income from investments in
associates is recognised only to the extent of dividends received or receivable
from post-acquisition profits of the investee. The Company expensed a portion of
these costs in the period ending 31 March 1997.
 
    Under US GAAP investments in associates are accounted for under the equity
method of accounting. The equity method of accounting requires the investor to
recognise its proportionate share of the associates' net profit or loss for the
period. Dividends received or receivable are accounted for as reductions in the
carrying value of the investor's investment.
 
(C) DEFERRED EXPENDITURE
 
    SHARE ISSUE EXPENSES
 
    Under Australian GAAP, costs of raising additional share capital are
capitalised and offset against the share premium reserve when the share issue is
finalised.
 
    Under US GAAP a similar treatment is allowed.
 
    INTERNAL COSTS OF ACQUISITIONS AND BUSINESS COMMENCEMENTS
 
    Under Australian GAAP the Company capitalises certain internal costs
incurred in connection with certain business acquisitions and start up of
businesses. In the nine months ended 31 March 1997, the Company expensed a
portion of previously deferred start-up and business acquisition costs.
 
    Under US GAAP the internal costs incurred in connection with certain
business acquisitions and business start up are expensed as incurred.
 
    EXPLORATION EXPENDITURE
 
    Under Australian GAAP, all exploration expenditure is capitalised to the
extent that it is expected to be recouped through successful exploitation of the
area or where exploration and evaluation activities have
 
                                      F-71
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
9. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
not yet reached a stage which permits a reasonable assessment of the existence
or otherwise of economically recoverable reserves and significant activities are
continuing.
 
    Under US GAAP, exploration expenditure in the search for mineralisation
deposits is expensed as incurred. Once it is determined that mineral reserves
exist and are commercially recoverable future expenditure is capitalised as
development expenditure.
 
(D) ASSET REVALUATIONS
 
    Under Australian GAAP non-current assets may be revalued both upwards and
downwards based on directors' valuations. An upwards revaluation is recorded by
a credit to the asset revaluation reserve as a component of shareholders' equity
and is not taken through the profit and loss account except where a previous
revaluation decrement has been recorded for that class of assets through the
profit and loss account. An impairment or downwards revaluation is taken through
the profit and loss account except where there is a revaluation reserve for that
particular class of assets, in which case the decrement may be debited to that
asset revaluation reserve, to the extent a credit exists, rather than the profit
and loss account.
 
    The Company assesses the recoverability of non-current assets by comparing
the carrying value to the asset's undiscounted cash flow. To the extent that the
asset's carrying value exceeds its undiscounted cash flow, the asset is written
down to that amount.
 
    US GAAP does not permit the upward revaluation of such assets. US GAAP
requires that an impairment of long-lived assets be recognised through the
profit and loss account. Under US GAAP SFAS 121 "Accounting for the Impairment
of Long-Lived Assets and for Long-Lived Assets to be Disposed Of," entities,
when assessing an asset for impairment, compare the carrying value of the asset
or group of assets to the relevant expected cash flow, undiscounted and without
interest. If the sum of the undiscounted cash flow is less than the asset
carrying value the asset must be written down to "fair value." One method of
determining an asset's fair value, in the absence of an active market, is its
discounted cash flow. Once impairment is recorded, subsequent recoveries through
the profit and loss account are not allowed until the asset is sold.
 
(E) INCOME TAXES
 
    Under Australian GAAP, income taxes are accounted for in accordance with the
liability method which is equivalent in many respects to United States Statement
of Financial Accounting Standards No. 109, "Accounting for Income Taxes" ("SFAS
109"). SFAS 109 requires deferred tax assets and liabilities to be recognised
for the estimated future tax consequences attributable to differences between
the financial statement carrying amounts of existing assets and liabilities and
their respective tax bases and operating loss and tax credit carry forwards.
Deferred tax assets and liabilities are measured using enacted tax rates in
effect for the year in which those temporary differences are expected to be
recovered or settled. A valuation allowance is provided on deferred tax assets
to the extent it is not "more likely than not" that
 
                                      F-72
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
9. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
such deferred tax assets will be realised. Under SFAS 109, "more likely than
not" is defined as a likelihood of more than 50 percent.
 
    Under Australian GAAP, deferred tax assets related to temporary differences
are brought to account when they are "assured beyond a reasonable doubt" and net
operating losses pass a "virtually certain" threshold. The effect of a change in
tax rate is recorded in the period the government approves the budget which in
financial year 1995 proceeded the enactment date under US GAAP. Accordingly, the
effect of the increase in the Australian tax rate from 33% to 36% is recognised
for US GAAP purposes in fiscal 1996.
 
    With respect to business combinations accounted for as purchases, under
Australian GAAP, differences in the bases of assets and liabilities as a result
of purchase price adjustments do not result in the creation of a deferred tax
asset or liability at the acquisition date. Under US GAAP, the differences
between the assigned values and tax bases of assets and liabilities acquired in
such business combinations require the recognition of deferred tax assets and
liabilities at the acquisition date.
 
(F) DIVIDENDS
 
    Under Australian GAAP, dividends declared subsequent to year end are
provided (accrued) for in the financial statements at year end if the
declaration date is prior to the date the financial statements are signed. Under
US GAAP dividends are recorded in the period declared.
 
(G) STOCK BASED COMPENSATION
 
    EMPLOYEE COMPENSATION
 
    Under Australian GAAP, the issuance of employee stock options does not
result in compensation expense. Under US GAAP, entities may account for employee
stock compensation either in accordance with APB Opinion 25 "Accounting for
Stock Issued to Employees" or Statement of Financial Accounting Standard 123
"Accounting for Stock Based Compensation." APB 25 requires that entities record
compensation expense to the extent that the quoted market price of the
underlying shares at the defined measurement date is greater than the exercise
price to be paid by the employee.
 
    Alternatively, FAS 123 specifics that compensation costs related to stock
based compensation plans shall be based on the estimated fair value of the stock
option as at the grant date, with the resulting compensation being recognised
over the employee vesting period. The fair value of employee stock options is
determined using option pricing models such as the binomial or Black Scholes
models. Presently the Company will be following APB 25 for US GAAP purposes.
Given stock options granted to date have had an exercise price equal to or
greater than the share trading price at date of grant. There is no impact on net
income or shareholders' equity.
 
                                      F-73
<PAGE>
                        STANLEY MINING SERVICES LIMITED
 
                   NOTES TO AND FORMING PART OF THE UNAUDITED
                 CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
               FOR THE NINE MONTHS ENDED MARCH 31, 1997 AND 1996
 
9. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
   UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
    NON-EMPLOYEES STOCK OPTIONS
 
    Under Australian GAAP, the issuance of stock options to non-employees with
an exercise price equal to the current market price at date of grant results in
no compensation.
 
    Under US GAAP, the issuance of stock options to non-employees must be
accounted for under the fair value method prescribed in SFAS 123 "Accounting for
Stock-Based Compensation." The fair value of the options granted will be
recorded as expense over their service or vesting period. There have been no
non-employee stock options issued.
 
<TABLE>
<CAPTION>
                                                                                                   1997       1996
                                                                                                  A$'000     A$'000
                                                                                                 ---------  ---------
<S>                                                                                              <C>        <C>
Operating profit after income tax in accordance with Australian GAAP...........................      3,217      2,489
Adjustments:
    Unrealised gains on trading securities.....................................................         --         45
    Share of associates' net loss consisting of deferred exploration expenditure...............       (442)       (68)
    Deferred internal costs of acquisition and business commencements..........................         19     --
    Depreciation relating to revalued assets...................................................         24         26
    Gain on sale of revalued assets............................................................     --              7
    Change in tax rates........................................................................     --           (156)
    Tax effect of US GAAP adjustments..........................................................        159         16
                                                                                                 ---------  ---------
Operating profit after income tax--US GAAP.....................................................      2,977      2,359
                                                                                                 ---------  ---------
Shareholders' equity attributable to members of the parent entity:
Australian GAAP................................................................................     35,167     15,572
Adjustments:
    Unrealised gains on trading securities.....................................................     --             70
    Unrealised gains on available-for-sales securities.........................................          1          5
    Share of associates' net loss consisting of deferred exploration expenditure...............       (641)       (68)
    Deferred exploration expenditure...........................................................       (140)      (140)
    Deferred internal costs of acquisition and business commencements..........................       (130)    --
    Asset revaluation reserve..................................................................       (142)        (3)
    Dividend paid from asset revaluation reserve...............................................       (188)      (188)
    Accumulated depreciation of revalued assets................................................        126         95
    Gain on sale of revalued asset.............................................................          7          7
    Cumulative tax effect of US GAAP adjustments...............................................        281         75
                                                                                                 ---------  ---------
Shareholders' equity attributable to members of the parent entity--US GAAP.....................     34,341     15,425
                                                                                                 ---------  ---------
</TABLE>
 
                                      F-74
<PAGE>
                         REPORT OF INDEPENDENT AUDITORS
 
To the members of Glindemann & Kitching Pty Ltd:
 
    We have audited the accompanying balance sheet of Glindemann & Kitching Pty
Ltd as of June 30, 1996, and the related statement of profit, statement of
changes in shareholders' equity and statement of cash flows for the year ended
June 30, 1996, all expressed in Australian dollars. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audit.
 
    We conducted our audit in accordance with auditing standards generally
accepted in Australia which do not differ in any significant respect from
auditing standards generally accepted in the United States. Those standards
require that we plan and perform the audit to obtain reasonable assurance about
whether the financial statements are free of material misstatement. An audit
includes examining, on a test basis, evidence supporting the amounts and
disclosures in the financial statements. An audit also includes assessing the
accounting principles used and significant estimates made by management, as well
as evaluating the overall financial statement presentation. We believe that our
audit provides a reasonable basis for our opinion.
 
    In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of the Company as of June 30,
1996 and the results of its operations and its cash flows for the year ended
June 30, 1996, in conformity with accounting principles generally accepted in
Australia.
 
    Generally accepted accounting principles in Australia vary in certain
significant respects from accounting principles generally accepted in the United
States. The application of United States generally accepted accounting
principles would have affected the results of operations for the year ended June
30, 1996 and shareholders' equity as of June 30, 1996, to the extent summarised
in Note 19 to the financial statements.
 
KPMG
CHARTERED ACCOUNTANTS
PERTH, WESTERN AUSTRALIA
 
Dated: June 17, 1997
 
                                      F-75
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                              STATEMENT OF PROFIT
 
                        FOR THE YEAR ENDED JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                                                      NOTE        A$'000
                                                                                                     ------      ---------
<S>                                                                                               <C>            <C>
Sales revenue...................................................................................                    22,755
Other revenue...................................................................................                       294
                                                                                                                 ---------
TOTAL OPERATING REVENUE.........................................................................            2       23,049
                                                                                                                 ---------
 
Operating profit before abnormal item & income tax..............................................            2(a)     3,612
Abnormal item...................................................................................            2(b)      (982)
Operating profit before income tax..............................................................                     2,630
Income tax attributable to operating profit.....................................................            4         (964)
                                                                                                                 ---------
OPERATING PROFIT AFTER TAX......................................................................                     1,666
                                                                                                                 ---------
                                                                                                                 ---------
</TABLE>
 
  See the accompanying notes to and forming part of the financial statements.
 
                                      F-76
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                                 BALANCE SHEET
 
                              AS OF JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                                                     NOTE       A$'000
                                                                                                  -----------  ---------
<S>                                                                                               <C>          <C>
CURRENT ASSETS
  Cash..........................................................................................                   1,963
  Receivables...................................................................................           5       4,077
  Inventories...................................................................................           6         420
  Investments...................................................................................           7         932
  Other.........................................................................................           8         118
                                                                                                               ---------
TOTAL CURRENT ASSETS............................................................................                   7,510
                                                                                                               ---------
NON-CURRENT ASSETS
  Property, plant and equipment.................................................................           9       3,113
  Other.........................................................................................          10         182
                                                                                                               ---------
TOTAL NON-CURRENT ASSETS........................................................................                   3,295
TOTAL ASSETS....................................................................................                  10,805
                                                                                                               ---------
                                                                                                               ---------
CURRENT LIABILITIES
  Creditors and borrowings......................................................................          11       4,244
  Provisions....................................................................................          12       1,263
                                                                                                               ---------
TOTAL CURRENT LIABILITIES.......................................................................                   5,507
                                                                                                               ---------
TOTAL LIABILITIES...............................................................................                   5,507
                                                                                                               ---------
                                                                                                               ---------
SHAREHOLDERS' EQUITY
  Share capital.................................................................................          13           2
  Reserves......................................................................................          14         382
  Retained profits..............................................................................                   4,914
                                                                                                               ---------
TOTAL SHAREHOLDERS' EQUITY......................................................................                   5,298
                                                                                                               ---------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY......................................................                  10,805
                                                                                                               ---------
                                                                                                               ---------
</TABLE>
 
  See the accompanying notes to and forming part of the financial statements.
 
                                      F-77
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                  STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY
 
                        FOR THE YEAR ENDED JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                                        ASSET       CAPITAL
                                                                           SHARE     REVALUATION    PROFITS     RETAINED
                                                                          CAPITAL      RESERVE      RESERVE     PROFITS
                                                                        -----------  -----------  -----------  ----------
                                                                                     (DOLLARS IN THOUSANDS)
<S>                                                                     <C>          <C>          <C>          <C>
Balance at June 30, 1995..............................................   A$      2    A$    337    A$     45   A$   3,568
Dividend..............................................................      --           --           --             (320)
Net earnings..........................................................      --           --           --            1,666
                                                                             -----   -----------  -----------  ----------
Balance at June 30, 1996..............................................   A$      2    A$    337    A$     45   A$   4,914
                                                                             -----   -----------  -----------  ----------
                                                                             -----   -----------  -----------  ----------
</TABLE>
 
  See the accompanying notes to and forming part of the financial statements.
 
                                      F-78
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                            STATEMENT OF CASH FLOWS
 
                        FOR THE YEAR ENDED JUNE 30, 1996
 
<TABLE>
<CAPTION>
                                                                                                     NOTE       A$'000
                                                                                                    ------     ---------
<S>                                                                                              <C>           <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts in the course of operations......................................................                   22,008
Cash payments in the course of operations......................................................                  (19,551)
Dividends received.............................................................................                       28
Interest and other items of a similar nature received..........................................                      167
Interest and other finance costs paid..........................................................                     (158)
Income taxes paid..............................................................................                   (1,908)
                                                                                                               ---------
NET CASH PROVIDED BY OPERATING ACTIVITIES......................................................         18(ii)       586
                                                                                                               ---------
CASH FLOWS FROM INVESTING ACTIVITIES
Payment for purchases of property, plant and equipment.........................................                     (826)
Payments for investments.......................................................................                     (309)
Proceeds from sale of investments..............................................................                       70
Proceeds from the sale of fixed assets.........................................................                       29
                                                                                                               ---------
NET CASH USED IN INVESTING ACTIVITIES..........................................................                   (1,036)
                                                                                                               ---------
CASH FLOWS FROM FINANCING ACTIVITIES
Repayment of borrowings........................................................................                     (393)
Dividends paid.................................................................................                     (320)
                                                                                                               ---------
NET CASH USED IN FINANCING ACTIVITIES..........................................................                     (713)
                                                                                                               ---------
NET DECREASE IN CASH HELD......................................................................                   (1,163)
CASH AT THE BEGINNING OF THE FINANCIAL PERIOD..................................................                    1,863
                                                                                                               ---------
CASH AT THE END OF THE FINANCIAL PERIOD........................................................         18(i)        700
                                                                                                               ---------
</TABLE>
 
  See the accompanying notes to and forming part of the financial statements.
 
                                      F-79
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                        FOR THE YEAR ENDED JUNE 30, 1996
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES
 
    The significant policies which have been adopted by the Company in the
preparation of these financial statements are:
 
(A) BASIS OF PREPARATION
 
    The financial statements are a general purpose financial report which have
been drawn up in accordance with Accounting Standards, Urgent Issues Group
Consensus Views, the provisions of Schedule 5 to the Corporations Regulations
and the requirements the Corporations Law. They have been prepared on the basis
of historical costs and except where stated do not take into account changing
money values or current valuations of non-current assets. The accounting
policies have been consistently applied by the Company and except where there is
a change in accounting policy, are consistent with those of the previous year.
 
    A reconciliation of the major differences between these accounts and those
applicable under generally accepted accounting principles in the United States
("US GAAP") is included in note 19.
 
(B) REVENUE RECOGNITION
 
    SALES REVENUE
 
    Sales revenue comprises revenue earned (net of returns, discounts and
allowances) from the provision of products or services to entities outside the
Company. Sales revenue is recognised when earned and the fee in respect of
services provided is receivable.
 
    INTEREST INCOME
 
    Interest income is recognised as it accrues.
 
    ASSET SALES
 
    The gross proceeds of asset sales are included as other revenue of the
Company. The profit or loss on disposal of assets is brought to account at the
date an unconditional contract of sale is signed.
 
    OTHER REVENUE
 
    Revenue recognition policies for investments are described in Note 1(e).
 
(C) INCOME TAX
 
    The company adopts the liability method of tax effect accounting.
 
    Income tax expense is calculated on operating profit adjusted for permanent
differences between taxable and accounting income. The tax effect of timing
differences which arise from items being brought to account in different periods
for income tax and accounting purposes, is carried forward in the balance sheet
as a future income tax benefit or a provision for deferred income tax.
 
    Future income tax benefits are brought to account as realisation of the
asset is assured beyond reasonable doubt. Future income tax benefits relating to
tax losses are brought to account when their realisation is virtually certain.
 
                                      F-80
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
(D) NON-CURRENT ASSETS
 
    The carrying amounts of all non-current assets are reviewed at least
annually to determine whether they are in excess of their recoverable amount. If
the carrying amount of a non-current asset exceeds the recoverable amount, the
asset is written down to the lower value.
 
    In assessing recoverable amounts the relevant cash flows have not been
discounted to their present value, except where specifically stated.
 
(E) INVESTMENTS
 
    OTHER COMPANIES
 
    Investments in other companies are carried at cost. No recognition for
fluctuations in the market value of these investments is brought to account.
Dividends are brought to account as they are received.
 
(F) INVENTORIES
 
    Drilling supplies and consumables held at the Company's store and workshop
at year end are valued at cost (calculated on the first-in first-out basis).
Once these drilling supplies and consumables are issued to the Company's drill
rigs, they are expensed to the profit and loss account.
 
(G) PROPERTY, PLANT AND EQUIPMENT
 
    ACQUISITION
 
    Items of property, plant and equipment are initially recorded at cost and
depreciated as outlined below.
 
    The cost of property, plant and equipment constructed by the Company
includes the cost of materials and direct labour and an appropriate proportion
of fixed and variable overheads.
 
    DEPRECIATION AND AMORTISATION
 
    Property, plant and equipment, including buildings and leasehold property
but excluding freehold land, are depreciated/amortised over their estimated
useful lives.
 
    Assets are depreciated or amortised from the date of first use.
 
(H) EMPLOYEE ENTITLEMENTS
 
    WAGES, SALARIES, ANNUAL LEAVE AND SICK LEAVE
 
    The provisions for employee entitlements to wages, salaries, annual leave
and sick leave represents the amount which the Company has a present obligation
to pay resulting from employees' services provided up to the balance date. The
provisions have been calculated at nominal amounts based on current wage and
salary rates and includes related on-costs.
 
                                      F-81
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)
    LONG SERVICE LEAVE
 
    The liability for employee's entitlement to long service leave represents
the present value of the estimated future cash outflows to be made by the
employer resulting from employees' services provided up to the balance date.
 
    Liabilities for employee entitlements which are not expected to be settled
within twelve months are discounted using the rates attaching to national
government securities at balance date, which most closely match the terms of
maturity of the related liabilities.
 
    In determining the liability for employee entitlements, consideration has
been given to future increases in wage and salary rates, and the company's
experience with staff departures. Related on-costs have also been included in
the liability.
 
    SUPERANNUATION
 
    The Company contributes to a superannuation fund on behalf of employees in
accordance with the requirements of the Superannuation Guarantee Administration
Act 1992. The contributions are charged against income as they are made.
 
(I) EXPLORATION EXPENDITURE
 
    The company expenses all exploration expenditure when incurred.
 
                                      F-82
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
2. OPERATING PROFIT BEFORE INCOME TAX
 
    (a) Operating profit has been arrived at after including:
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
Sales revenue...............................................   22,755
Interest received or due and receivable.....................      167
Dividends received..........................................       28
Gross proceeds from the sale of non-current assets..........       29
Gross proceeds from the sale of investments.................       70
                                                              -------
Total operating revenue.....................................   23,049
                                                              -------
                                                              -------
OPERATING EXPENSES
Interest paid or due and payable to:
    Related party...........................................      158
Depreciation................................................      713
Amounts set aside to provision for:
      Employee entitlements.................................       28
 
SALES OF NON-CURRENT ASSETS
 
Profit on sales of property, plant and equipment............       25
Loss on sales of investments................................       (1)
 
(b) Abnormal Item
  Oil exploration expenditure...............................     (982)
  Income tax effect.........................................      354
                                                              -------
                                                                 (628)
                                                              -------
                                                              -------
</TABLE>
 
3. DIVIDENDS
 
    Dividends provided for or paid by the Company are:
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
A final class 'A' dividend of $320,000 franked to 100% was
declared on 21 February 1996................................      320
                                                              -------
                                                              -------
</TABLE>
 
                                      F-83
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
</TABLE>
 
4. TAXATION
 
<TABLE>
<S>                                                           <C>
INCOME TAX EXPENSE
Prima facie income tax expense calculated at 36% on the
operating profit............................................      947
Increase in income tax expense due to non tax deductible
items:
  Depreciation of buildings.................................        4
  Entertainment expenses....................................       22
 
Decrease in income tax expense due to non tax assessable
items:
  Dividends.................................................        9
                                                              -------
Income tax expense on operating profit......................      964
                                                              -------
                                                              -------
Total income tax expense is made up of:
  Current income tax provision..............................      972
  Future income tax benefit.................................       (8)
                                                              -------
                                                                  964
                                                              -------
                                                              -------
</TABLE>
 
5. RECEIVABLES
 
<TABLE>
<S>                                                           <C>
Trade debtors...............................................    3,946
Other debtors...............................................      131
                                                              -------
                                                                4,077
                                                              -------
                                                              -------
</TABLE>
 
6. INVENTORIES
 
<TABLE>
<S>                                                           <C>
Raw materials and stores--at cost...........................      172
Finished goods--at cost.....................................      248
                                                              -------
                                                                  420
                                                              -------
                                                              -------
</TABLE>
 
7. INVESTMENTS
 
<TABLE>
<S>                                                           <C>
Shares in other corporations--at cost.......................      932
                                                              -------
                                                              -------
</TABLE>
 
    Quoted market value of shares in other corporations $1,325,450.
 
    The amount of capital gains tax that would be payable if the quoted shares
in other corporations were sold at balance date at the disclosed market value
should not exceed $141,750.
 
8. OTHER CURRENT ASSETS
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
Prepayments.................................................      118
                                                              -------
                                                              -------
</TABLE>
 
                                      F-84
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
 
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
</TABLE>
 
9. PROPERTY, PLANT AND EQUIPMENT
 
<TABLE>
<S>                                                           <C>
Freehold land--at directors' valuation 1988.................      207
Buildings
  --at cost.................................................       84
  --Accumulated depreciation................................       (5)
                                                              -------
                                                                   79
  --at directors' valuation 1988............................      300
  --Accumulated depreciation................................      (63)
                                                              -------
                                                                  237
Total Land and Buildings....................................      523
                                                              -------
                                                              -------
Plant and equipment
  --at cost.................................................    5,189
  --Accumulated depreciation................................   (2,669)
                                                              -------
                                                                2,520
                                                              -------
                                                              -------
Construction in progress....................................       70
                                                              -------
                                                              -------
Total property, plant and equipment.........................    3,113
                                                              -------
                                                              -------
</TABLE>
 
    The directors' valuation of freehold land and buildings were based on the
assessment of the current market value of freehold land and buildings and was
carried out at 30 June 1988.
 
10. OTHER NON-CURRENT ASSETS
 
<TABLE>
<S>                                                           <C>
Future income tax benefit...................................      182
                                                              -------
                                                              -------
</TABLE>
 
11. CREDITORS AND BORROWINGS
 
<TABLE>
<CAPTION>
                                                              A$'000
                                                              -------
<S>                                                           <C>
Bank overdraft..............................................    1,263
Trade creditors and accruals................................      872
Loan from shareholders......................................    2,109
                                                              -------
                                                                4,244
                                                              -------
                                                              -------
</TABLE>
 
12. PROVISIONS
 
<TABLE>
<S>                                                           <C>
Employee entitlements.......................................      505
Income tax..................................................      758
                                                              -------
                                                                1,263
                                                              -------
                                                              -------
</TABLE>
 
                                      F-85
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
13. SHARE CAPITAL
 
<TABLE>
<S>                                                                           <C>
AUTHORISED CAPITAL
 
1,000,000 shares of $1 each.................................................      1,000
                                                                              ---------
                                                                              ---------
ISSUED CAPITAL
 
1,500 Ordinary shares of $1 each............................................          2
1 'A' Class share of $1.....................................................     --
1 'B' Class share of $1.....................................................     --
                                                                              ---------
                                                                                      2
                                                                              ---------
                                                                              ---------
</TABLE>
 
14. RESERVES
 
<TABLE>
<S>                                                                           <C>
Fixed asset revaluation.....................................................        337
Capital profits.............................................................         45
                                                                              ---------
                                                                                    382
                                                                              ---------
                                                                              ---------
</TABLE>
 
15. SEGMENT INFORMATION
 
    Glindemann & Kitching Pty Ltd operates in the drilling industry in Western
Australia.
 
16. RELATED PARTIES
 
DIRECTORS
 
    The names of each person holding the position of director of Glindemann &
Kitching Pty Ltd during the financial year are R. W. Aird and W. Unger.
 
    Details of directors' remuneration, superannuation and retirement payments
are set out in Note 16.
 
DIRECTORS' INCOME
 
    The number of directors of the Company whose income, from the Company or
related bodies Corporate falls within the following bands.
 
<TABLE>
<CAPTION>
                                                                                       1996
                                                                                     ---------
 
<S>                                                                                  <C>
$130,000-$139,999                                                                            2
 
                                                                                     A $  '000
 
Total income received, or due and receivable by all directors of the Company from
  the Company or related bodies corporate..........................................        278
</TABLE>
 
DIRECTORS' HOLDINGS OF SHARES
 
    The directors hold 100% of the issued capital of the Company as follows:
 
                                      F-86
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
16. RELATED PARTIES (CONTINUED)
    ZELMAN PTY LTD (a company associated with Mr. Unger)
 
    750 Ordinary shares
 
    1 'B' Class share
 
    R.W. AIRD (AS TRUSTEE FOR THE AIRD TRUST)
 
    750 Ordinary shares
 
    1 'A' Class share
 
<TABLE>
<CAPTION>
                                                                                                  A $'000
                                                                                                 ---------
<S>                                                                                              <C>
LOANS FROM DIRECTORS
 
Zelman Pty Ltd.................................................................................      1,054
(a company associated with Mr. Unger)
R. W. Aird.....................................................................................      1,055
(as trustee for the Aird Trust)
                                                                                                 ---------
                                                                                                     2,109
                                                                                                 ---------
                                                                                                 ---------
</TABLE>
 
    The Company recognised $157,748 of interest expense in the year ended 30
June 1996 on the above loans.
 
17. EVENTS SUBSEQUENT TO BALANCE DATE
 
    On 17 December 1996, Stanley Mining Services Limited acquired 51% of the
Company with effect from 1 October 1996. The remaining 49% will be acquired on 1
July 1997. As a result of the acquisition, Stanley Mining Services Limited
appointed three directors to the Company.
 
18. NOTES TO THE STATEMENT OF CASH FLOWS
 
(i) RECONCILIATION OF CASH
 
    For the purpose of the Statement of Cash Flows, cash includes cash on hand
and at bank net of all outstanding bank overdrafts. Cash as at the end of the
financial period as shown in the Statement of Cash Flows is reconciled to the
related items in the balance sheet as follows:
 
<TABLE>
<S>                                                                           <C>
Cash........................................................................      1,963
Bank overdraft..............................................................     (1,263)
                                                                              ---------
                                                                                    700
                                                                              ---------
                                                                              ---------
</TABLE>
 
                                      F-87
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
18. NOTES TO THE STATEMENT OF CASH FLOWS (CONTINUED)
(ii) RECONCILIATION OF OPERATING PROFIT AFTER INCOME TAX TO NET CASH PROVIDED BY
    OPERATING ACTIVITIES
 
<TABLE>
<CAPTION>
                                                                                        A $'000
                                                                                       ---------
<S>                                                                                    <C>
Operating profit after income tax....................................................      1,666
LESS ITEM CLASSIFIED AS INVESTING ACTIVITY:
Profit on sale of non-current assets.................................................        (24)
ADD NON-CASH ITEMS
Depreciation.........................................................................        713
                                                                                       ---------
Net cash provided by operating activities before changes in assets and liabilities...      2,355
Changes in assets and liabilities:
Increase in prepayments..............................................................       (118)
Increase in receivables..............................................................       (747)
Decrease in inventories..............................................................         98
Increase in deferred tax benefit.....................................................         (8)
Decrease in trade creditors and accruals.............................................        (83)
Decrease in income tax payable.......................................................       (936)
Increase in provisions for employee entitlements.....................................         25
                                                                                       ---------
Net cash provided by operating activities............................................        586
                                                                                       ---------
                                                                                       ---------
</TABLE>
 
19. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
    UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
 
PRINCIPAL DIFFERENCES BETWEEN AUSTRALIAN GAAP AND US GAAP
 
    Financial statements in the United States are prepared in accordance with
accounting principles generally accepted in the United States ("US GAAP"). In
Australia statutory financial statements are prepared in accordance with
applicable accounting standards issued by the Australian Accounting Standards
Board, the Australian Corporations Law, Schedule 5 to the Corporations
Regulations and other mandatory professional reporting requirements (Urgent
Issues Consensus Views) collectively referred to as "Australian GAAP". The
principle differences between Australian GAAP and US GAAP which are material to
the preparation of the financial statements of the Company are set out below in
this note.
 
(A) MARKETABLE INVESTMENT SECURITIES
 
    Under Australian GAAP marketable equity securities available for sale are
stated at cost.
 
    Under US GAAP Statement of Financial Accounting Standards No. 115,
"Accounting for Certain Investments in Debt and Equity Securities" ("SFAS 115"),
requires investments to be classified into three categories and accounted for as
follows: debt securities that the Company has the positive intent and ability to
hold to maturity are classified as "held-to-maturity securities" and reported at
amortised costs: debt and marketable equity securities that are bought and held
principally for the purpose of selling them in the near term are classified as
"trading securities" and reported at fair value, with unrealised gains and
losses included in earnings: and debt and marketable equity securities not
classified as either held-to-maturity securities or trading securities are
classified as "available-for-sale securities" and reported at fair value,
 
                                      F-88
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
19. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
    UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
with unrealised gains and losses excluded from earnings and reported as a
separate component of shareholders' equity, net of tax.
 
(B) ASSET REVALUATIONS
 
    Under Australian GAAP non-current assets may be revalued both upwards and
downwards based on directors' valuations. An upwards revaluation is recorded by
a credit to the asset revaluation reserve as a component of shareholders' equity
and is not taken through the profit and loss account except where a previous
revaluation decrement has been recorded for that class of assets through the
profit and loss account. An impairment or downwards revaluation is taken through
the profit and loss account except where there is a revaluation reserve for that
particular class of assets, in which case the decrement may be debited to that
asset revaluation reserve, to the extent a credit exists, rather than the profit
and loss account.
 
    The Company assesses the recoverability of non-current assets by comparing
the carrying value to the asset's undiscounted cash flow. To the extent that the
asset carrying value exceeds its undiscounted cash flow the asset is written
down to that amount.
 
    US GAAP does not permit the upward revaluation of such assets. US GAAP
requires that an impairment of long-lived assets be recognised through the
profit and loss account. Under US GAAP SFAS 121 "Accounting for the Impairment
of Long-Lived Assets and for Long-Lived Assets to be Disposed Of," entities,
when assessing an asset for impairment, compare the carrying value of the asset
or group of assets to the relevant expected cash flow, undiscounted and without
interest. If the sum of the undiscounted cash flow is less than the asset
carrying value the asset must be written down to "fair value." One method of
determining an asset's fair value, in the absence of an active market, is its
discounted cash flow. Once impairment is recorded, subsequent recoveries through
the profit and loss account are not allowed until the asset is sold.
 
(C) INCOME TAXES
 
    Under Australian GAAP, income taxes are accounted for in accordance with the
liability method which is equivalent in many aspects to United States Statement
of Financial Accounting Standards No. 109, "Accounting for Income Taxes" (SFAS
109). SFAS 109 requires deferred tax assets and liabilities to be recognised for
the estimated future tax consequences attributable to differences between the
financial statement carrying amounts of existing assets and liabilities and
their respective tax bases and operating loss and tax credit carryforwards.
Deferred tax assets and liabilities are measured using enacted tax rates in
effect for the year in which those temporary differences are expected to be
recovered or settled. A valuation allowance is provided on deferred tax assets
to the extent it is not "more likely than not" that such deferred tax assets
will be realised. Under SFAS 109, "more likely than not" is defined as a
likelihood of more than 50 percent.
 
    Under Australian GAAP, deferred tax assets related to temporary differences
are brought to account when they are "assured beyond a reasonable doubt" and net
operating losses pass a "virtually certain" threshold. The effect of a change in
the tax rate is recorded in the period the government approves the budget which
in fiscal year 1995 preceded the enactment date under US GAAP. Accordingly, the
effect of
 
                                      F-89
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
             NOTES TO AND FORMING PART OF THE FINANCIAL STATEMENTS
                  FOR THE YEAR ENDED JUNE 30, 1996 (CONTINUED)
 
19. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES TO
    UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
the increase in the Australian tax rate from 33 percent to 36 percent is
recognised for US GAAP in the current year.
 
    With respect to business combinations accounted for as purchases, under
Australian GAAP, differences in the bases of assets and liabilities as a result
of purchase price adjustments do not result in the creation of a deferred tax
asset or liability at the acquisition date. Under US GAAP, the differences
between the assigned values and tax bases of assets and liabilities acquired in
such business combinations require the recognition of deferred tax assets and
liabilities at the acquisition date.
 
(D) CAPITAL PROFITS RESERVE
 
    Under Australian GAAP, the company transfers profits on sale of revalued
assets out of the asset revaluation reserve to the capital profits reserve.
 
    Under US GAAP the amount shown in capital profits reserve would have been
reflected in the Statement of Profit in the year the fixed asset was sold and be
included in Retained Earnings. This adjustment has no net impact on
shareholders' equity.
 
(E) PROFIT AND LOSS ACCOUNT
 
    Under Australian GAAP, the Company has disclosed certain items as "abnormal"
in the statement of profit in the June 1996 accounts, There is no "abnormal
item" category in a US GAAP statement of profit such that these items would be
included in operating income.
<TABLE>
<CAPTION>
                                                                                                 A $'000
                                                                                                ---------
<S>                                                                                             <C>
Operating profit after income tax in accordance with Australian GAAP..........................      1,666
Adjustments:
  Depreciation relating to revalued assets....................................................          6
  Change in tax rates.........................................................................        (14)
                                                                                                ---------
Net profit--US GAAP...........................................................................      1,658
                                                                                                ---------
 
<CAPTION>
 
                                                                                                 A $'000
                                                                                                ---------
<S>                                                                                             <C>
Shareholders' equity in accordance with Australian GAAP.......................................      5,298
Adjustments:
  Unrealised gains on available-for-sale securities...........................................        393
  Accumulated depreciation of revalued assets.................................................         48
  Asset revaluation reserve...................................................................       (337)
                                                                                                ---------
Shareholders' equity--US GAAP.................................................................      5,402
                                                                                                ---------
</TABLE>
 
                                      F-90
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                         UNAUDITED STATEMENTS OF PROFIT
 
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                         1997       1996
                                                                                            NOTE        A$'000     A$'000
                                                                                           ------      ---------  ---------
<S>                                                                                     <C>            <C>        <C>
Sales revenue.........................................................................                    19,555     16,436
Other revenue.........................................................................                     1,531        262
                                                                                                       ---------  ---------
TOTAL OPERATING REVENUE...............................................................                    21,086     16,698
                                                                                                       ---------  ---------
 
OPERATING PROFIT BEFORE INCOME TAX....................................................            3        3,671      2,371
Income tax attributable to operating profit...........................................                     1,459        873
                                                                                                       ---------  ---------
OPERATING PROFIT AFTER INCOME TAX.....................................................                     2,212      1,498
 
Profit on abnormal items..............................................................            4          943     --
Income tax attributable to profit on abnormal items...................................                       337     --
                                                                                                       ---------  ---------
                                                                                                             606     --
 
OPERATING PROFIT AND ABNORMAL ITEMS AFTER INCOME TAX..................................                     2,818      1,498
                                                                                                       ---------  ---------
                                                                                                       ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
                     of the unaudited financial statements.
 
                                      F-91
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                            UNAUDITED BALANCE SHEETS
 
                         AS OF MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                         1997       1996
                                                                                            NOTE        A$'000     A$'000
                                                                                           ------      ---------  ---------
<S>                                                                                     <C>            <C>        <C>
CURRENT ASSETS
Cash..................................................................................                     1,957      2,764
Receivables...........................................................................                     6,761      3,048
Inventories...........................................................................                     1,605        732
                                                                                                       ---------  ---------
TOTAL CURRENT ASSETS..................................................................                    10,323      6,544
                                                                                                       ---------  ---------
NON-CURRENT ASSETS
Investments...........................................................................                       224        917
Property, plant and equipment.........................................................                     9,176      3,204
Other.................................................................................                       287        165
                                                                                                       ---------  ---------
TOTAL NON-CURRENT ASSETS..............................................................                     9,687      4,286
                                                                                                       ---------  ---------
TOTAL ASSETS..........................................................................                    20,010     10,830
                                                                                                       ---------  ---------
 
CURRENT LIABILITIES
Accounts payable......................................................................                     2,310      4,341
Provisions............................................................................                     2,199      1,359
                                                                                                       ---------  ---------
TOTAL CURRENT LIABILITIES.............................................................                     4,509      5,700
                                                                                                       ---------  ---------
 
NON-CURRENT LIABILITIES
Provisons.............................................................................                       181     --
                                                                                                       ---------  ---------
TOTAL NON-CURRENT LIABILITIES.........................................................                       181     --
                                                                                                       ---------  ---------
TOTAL LIABILITIES.....................................................................                     4,690      5,700
                                                                                                       ---------  ---------
 
SHAREHOLDERS' EQUITY
Share capital.........................................................................            5            3          2
Reserves..............................................................................                    13,642        382
Retained profits......................................................................                     1,675      4,746
                                                                                                       ---------  ---------
TOTAL SHAREHOLDERS' EQUITY............................................................                    15,320      5,130
                                                                                                       ---------  ---------
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY............................................                    20,010     10,830
                                                                                                       ---------  ---------
                                                                                                       ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
                     of the unaudited financial statements.
 
                                      F-92
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                       UNAUDITED STATEMENTS OF CHANGES IN
                              SHAREHOLDERS' EQUITY
 
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                          1997        1996
                                                                                             NOTE        A$'000      A$'000
                                                                                            ------      ---------  -----------
<S>                                                                                      <C>            <C>        <C>
AUTHORISED CAPITAL
Ordinary shares of $1 each.............................................................                     1,000       1,000
                                                                                                        ---------       -----
Opening balance........................................................................                         2           2
Additional shares issued...............................................................                         1      --
                                                                                                        ---------       -----
Total share capital....................................................................                         3           2
                                                                                                        ---------       -----
RETAINED PROFITS
Retained profits at the beginning of the period as stated..............................                     4,914       3,568
Dividend provided for or paid..........................................................            6       (6,057)       (320)
Operating profit and abnormal items after income tax...................................                     2,818       1,498
                                                                                                        ---------       -----
Retained profits at the end of the period as stated....................................                     1,675       4,746
                                                                                                        ---------       -----
RESERVES
SHARE PREMIUM RESERVE
Opening balance........................................................................                    --          --
Premium on additional shares issued....................................................                     6,600      --
                                                                                                        ---------       -----
Closing balance........................................................................                     6,600      --
                                                                                                        ---------       -----
ASSET REVALUATION RESERVE
Opening balance........................................................................                       337         337
Revaluation of property, plant and equipment...........................................                     6,660      --
                                                                                                        ---------       -----
Closing balance........................................................................                     6,997         337
                                                                                                        ---------       -----
CAPITAL PROFITS RESERVE
Opening balance........................................................................                        45          45
                                                                                                        ---------       -----
Closing balance........................................................................                        45          45
                                                                                                        ---------       -----
TOTAL SHAREHOLDERS' EQUITY.............................................................                    15,320       5,130
                                                                                                        ---------       -----
</TABLE>
 
                 See the accompanying notes to and forming part
                     of the unaudited financial statements.
 
                                      F-93
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
 
                       UNAUDITED STATEMENTS OF CASH FLOWS
                           FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
<TABLE>
<CAPTION>
                                                                                                     1997       1996
                                                                                            NOTE    A$'000     A$'000
                                                                                      -----------  ---------  ---------
<S>                                                                                   <C>          <C>        <C>
CASH FLOWS FROM OPERATING ACTIVITIES
Cash receipts in the course of operations...........................................                  19,434     16,720
Cash payments in the course of operations...........................................                 (14,350)   (13,738)
Income taxes paid...................................................................                  (1,001)    (1,694)
Interest and other items of a similar nature received...............................                     145        141
Interest and other finance costs paid...............................................                     (67)      (122)
Dividends received..................................................................                      14         26
                                                                                                   ---------  ---------
NET CASH PROVIDED BY OPERATING ACTIVITIES...........................................         7(b)      4,175      1,333
                                                                                                   ---------  ---------
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds on sale of plant and equipment.............................................                  --             26
Payments for property, plant and equipment..........................................                    (796)      (730)
Payment for investments.............................................................                    (224)      (280)
Proceeds from sale of investments...................................................                   1,372         69
Loans to shareholders...............................................................                  (2,563)    --
                                                                                                   ---------  ---------
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES.................................                  (2,211)      (915)
                                                                                                   ---------  ---------
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from issue of shares.......................................................                   6,601     --
Repayment of borrowing..............................................................                  (2,109)    --
Dividends paid......................................................................                  (6,057)      (320)
                                                                                                   ---------  ---------
NET CASH USED IN FINANCING ACTIVITIES...............................................                  (1,565)      (320)
                                                                                                   ---------  ---------
NET INCREASE IN CASH HELD...........................................................                     399         98
CASH AT THE BEGINNING OF THE FINANCIAL PERIOD.......................................                     700      1,864
                                                                                                   ---------  ---------
CASH AT THE END OF THE FINANCIAL PERIOD.............................................         7(a)      1,099      1,962
                                                                                                   ---------  ---------
</TABLE>
 
                 See the accompanying notes to and forming part
                     of the unaudited financial statements.
 
                                      F-94
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
                        NOTES TO AND FORMING PART OF THE
            UNAUDITED FINANCIAL STATEMENTS FOR THE NINE MONTHS ENDED
                            MARCH 31, 1997 AND 1996
 
1. STATEMENT OF SIGNIFICANT ACCOUNTING POLICIES
 
    The general purpose nine months financial statements have been prepared in
accordance with the requirements of the Corporations Law on the basis of
Accounting Standard 1029 and other mandatory professional reporting requirements
(Urgent Issues Group Consensus Views) with the exception of disclosures of the
dividend franking account and earnings per share. It is recommended that the
nine months financial statements and report be read in conjunction with the 30
June 1996 Annual Financial Statements and Reports and any public announcements
by Glindemann & Kitching Pty Ltd during the nine months in accordance with
continuous disclosure obligations arising under the Corporations Law.
 
    The accounting policies have been consistently applied by the Company and
are consistent with those of the previous financial statements except as
detailed in note 2.
 
    The carrying amount of non-current assets are reviewed to determine whether
they are in excess of their recoverable amount at the end of the nine months. If
the carrying amount of a non-current asset exceeds the recoverable amount, the
asset is written down to the lower amount. In assessing recoverable amounts the
relevant cash flows have not been discounted to their present value.
 
    For purpose of preparing the nine months financial statements, the nine
months has been treated as a discrete reporting period.
 
    A reconciliation of the major differences between these accounts and those
applicable under generally accepted accounting principles in the United States
("US GAAP") is included in note 8.
 
2. CHANGE IN ACCOUNTING POLICY
 
    (A)  INVENTORIES
 
    The Company adopted a policy from 1 January 1997, of valuing drilling
consumables at the lower of cost and net realisable value.
 
    Previously the Company expensed consumables as incurred.
 
    The Directors adopted the policy to ensure consumables were treated
consistently throughout the Stanley Mining Services Limited Economic Entity.
 
    The financial effect of the change in policy is an increase in inventories
of $501,714 and an increase in profit after taxation of $322,097.
 
3. OPERATING PROFIT BEFORE INCOME TAX
 
<TABLE>
<CAPTION>
                                                                                                      1997         1996
                                                                                                     A$'000       A$'000
                                                                                                   -----------  -----------
<S>                                                                                                <C>          <C>
    Operating profit before income tax has been arrived at after including:
    Interest received or due and receivable......................................................         145          141
    Interest paid or due and payable (including lease finance charges)...........................          67          122
    Depreciation including all forms of amortisation.............................................       1,001          521
    Profit/Loss on sale of non-current assets....................................................          13          (10)
</TABLE>
 
                                      F-95
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
                        NOTES TO AND FORMING PART OF THE
            UNAUDITED FINANCIAL STATEMENTS FOR THE NINE MONTHS ENDED
                      MARCH 31, 1997 AND 1996 (CONTINUED)
<TABLE>
<CAPTION>
4. ABNORMAL ITEMS
 
    Profit on sale of securities.................................................................         441       --
<S>                                                                                                <C>          <C>
    Applicable tax effect........................................................................        (156)      --
    Inventory brought to account.................................................................         502       --
    Applicable tax effect........................................................................        (181)      --
                                                                                                        -----        -----
                                                                                                          606       --
                                                                                                        -----        -----
 
<CAPTION>
 
5. SHARE CAPITAL
<S>                                                                                                <C>          <C>
 
    Authorised capital 1,000,000 shares of $1 each...............................................       1,000        1,000
                                                                                                        -----        -----
    Issued capital 3,065 (1996: 1,502) ordinary shares of $1 each................................           3            2
                                                                                                        -----        -----
    Total........................................................................................           3            2
                                                                                                        -----        -----
<CAPTION>
 
6. DIVIDENDS
<S>                                                                                                <C>          <C>
 
    Glindemann & Kitching Pty Ltd paid a final ordinary
      dividend of $4,032 per share, franked to 100%, with
      Class C (36%) franking credits on 30 September
      1996.......................................................................................       6,057       --
                                                                                                        -----        -----
                                                                                                        -----        -----
 
    A final Class "A" dividend of $320,000 franked to 100% was declared on 21 February 1996......      --              320
                                                                                                        -----        -----
                                                                                                        -----        -----
</TABLE>
 
7. NOTES TO THE STATEMENT OF CASH FLOWS
 
(A) RECONCILIATION OF CASH
 
    For the purpose of the Statements of Cash Flows, cash includes cash on hand
and at bank, net of outstanding bank overdrafts. Cash as at the end of the
period as shown in the Statements of Cash Flows is reconciled to the related
items in the balance sheet as follows:
 
<TABLE>
<CAPTION>
                                                                                  1997         1996
                                                                                 A$'000       A$'000
                                                                               -----------  -----------
<S>                                                                            <C>          <C>
Cash.........................................................................       1,957        2,764
Bank overdraft...............................................................        (858)        (802)
                                                                                    -----        -----
Total........................................................................       1,099        1,962
                                                                                    -----        -----
</TABLE>
 
                                      F-96
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
                        NOTES TO AND FORMING PART OF THE
            UNAUDITED FINANCIAL STATEMENTS FOR THE NINE MONTHS ENDED
                      MARCH 31, 1997 AND 1996 (CONTINUED)
 
7. NOTES TO THE STATEMENT OF CASH FLOWS (CONTINUED)
(B) RECONCILIATION OF OPERATING PROFIT AFTER INCOME TAX TO NET CASH PROVIDED BY
  OPERATING ACTIVITIES
 
<TABLE>
<CAPTION>
                                                                                  1997         1996
                                                                                 A$'000       A$'000
                                                                               -----------  -----------
<S>                                                                            <C>          <C>
Operating profit after income tax............................................       2,818        1,498
Less item classified as investing activity:
Profit on sale of non-current assets.........................................        (428)         (23)
Add non-cash items:
Depreciation.................................................................       1,001          521
                                                                                    -----        -----
Net cash provided by operating activities before changes in assets and
  liabilities................................................................       3,391        1,996
 
Changes in assets and liabilities
Decrease in prepayments......................................................         118       --
Increase (decrease) in receivables...........................................        (121)         284
Increase in inventories......................................................        (782)        (214)
Decrease in deferred tax benefit.............................................          76            9
Increase in trade creditors and accruals.....................................         580           80
Increase (decrease) in income tax payable....................................         539         (831)
Increase in provisions.......................................................         374            9
                                                                                    -----        -----
Net cash provided by operating activities....................................       4,175        1,333
                                                                                    -----        -----
                                                                                    -----        -----
</TABLE>
 
8. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
  TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
 
PRINCIPAL DIFFERENCES BETWEEN AUSTRALIAN GAAP AND US GAAP
 
    Financial statements in the United States are prepared in accordance with US
GAAP. In Australia statutory financial statements are prepared in accordance
with applicable accounting standards issued by the Australian Accounting
Standards Board, the Australian Corporations Law, Schedule 5 to the Corporations
Regulations and other mandatory professional reporting requirements (Urgent
Issues Consensus Views) collectively referred to as "Australian GAAP." The
principal differences between Australian GAAP and US GAAP which are material to
the preparation of the financial statements of the Company are set out below in
this note.
 
(A) MARKETABLE INVESTMENT SECURITIES
 
    Under Australian GAAP, marketable equity securities available for sale are
stated at cost.
 
    Under US GAAP, Statement of Financial Accounting Standards No. 115,
"Accounting for Certain Investments in Debt and Equity Securities" ("SFAS 115")
requires investments to be classified into three categories and accounted for as
follows: debt securities that the Company has the positive intent and ability to
hold to maturity are classified as "held-to-maturity securities" and reported at
amortized cost; debt and
 
                                      F-97
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
                        NOTES TO AND FORMING PART OF THE
            UNAUDITED FINANCIAL STATEMENTS FOR THE NINE MONTHS ENDED
                      MARCH 31, 1997 AND 1996 (CONTINUED)
 
8. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
  TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
marketable equity securities that are bought and held principally for the
purpose of selling them in the near term are classified as "trading securities"
and reported at fair value, with unrealised gains and losses included in
earnings; and debt and marketable equity securities not classified as either
held-to-maturity securities or trading securities are classified as
"available-for-sale securities" and reported at fair value, with unrealised
gains and losses excluded from earnings and reported as a separate component of
shareholders' equity, net of tax.
 
(B) ASSET REVALUATIONS
 
    Under Australian GAAP non-current assets may be revalued both upwards and
downwards based on directors' valuations. An upwards revaluation is recorded by
a credit to the asset revaluation reserve as a component of shareholders' equity
and is not taken through the profit and loss account except where a previous
revaluation decrement has been recorded for that class of assets through the
profit and loss account. An impairment or downwards revaluation is taken through
the profit and loss account except where there is a revaluation reserve for that
particular class of assets, in which case the decrement may be debited to that
asset revaluation reserve, to the extent a credit exists, rather than the profit
and loss account.
 
    The Company assesses the recoverability of non-current assets by comparing
the carrying value to the asset's undiscounted cash flow. To the extent that the
asset carrying value exceeds its undiscounted cash flow the asset is written
down to that amount.
 
    US GAAP does not permit the upward revaluation of such assets. US GAAP
requires that an impairment of long-lived assets be recognised through the
profit and loss account. Under US GAAP SFAS 121 "Accounting for the Impairment
of Long-Lived Assets and for Long-Lived Assets to be Disposed Of," entities,
when assessing an asset for impairment, compare the carrying value of the asset
or group of assets to the relevant expected cash flow, undiscounted and without
interest. If the sum of the undiscounted cash flow is less than the asset
carrying value the asset must be written down to "fair value." One method of
determining an asset's fair value, in the absence of an active market, is its
discounted cash flow. Once impairment is recorded, subsequent recoveries through
the profit and loss account are not allowed until the asset is sold.
 
(C) INCOME TAXES
 
    Under Australian GAAP, income taxes are accounted for in accordance with the
liability method which is equivalent in many aspects to United States Statement
of Financial Accounting Standards No. 109 "Accounting for Income Taxes" (SFAS
109). SFAS 109 requires deferred tax assets and liabilities to be recognised for
the estimated future tax consequences attributable to differences between the
financial statement carrying amounts of existing assets and liabilities and
their respective tax bases and operating loss and tax credit carry forwards.
Deferred tax assets and liabilities are measured using enacted tax rates in
effect for the year in which those temporary differences are expected to be
recovered or settled. A valuation allowance is provided on deferred tax assets
to the extent it is not "more likely than not" that such deferred tax assets
will be realised. Under SFAS 109, "more likely than not" is defined as a
likelihood of more than 50 percent.
 
                                      F-98
<PAGE>
                         GLINDEMANN & KITCHING PTY LTD
                        NOTES TO AND FORMING PART OF THE
            UNAUDITED FINANCIAL STATEMENTS FOR THE NINE MONTHS ENDED
                      MARCH 31, 1997 AND 1996 (CONTINUED)
 
8. RECONCILIATION FROM AUSTRALIAN GENERALLY ACCEPTED ACCOUNTING PRINCIPLES
  TO UNITED STATES GENERALLY ACCEPTED ACCOUNTING PRINCIPLES (CONTINUED)
    Under Australian GAAP, deferred tax assets related to temporary differences
are brought to account when they are "assured beyond a reasonable doubt" and net
operating losses pass a "virtually certain" threshold.
 
    With respect to business combinations accounted for as purchases, under
Australian GAAP, differences in the bases of assets and liabilities as a result
of purchase price adjustments do not result in the creation of a deferred tax
asset or liability at the acquisition date. Under US GAAP, the differences
between the assigned values and tax bases of assets and liabilities acquired in
such business combinations require the recognition of deferred tax assets and
liabilities at the acquisition date.
 
(D) CAPITAL PROFITS RESERVE
 
    Under Australian GAAP, the Company transfers profits on sale of revalued
assets out of the asset revaluation reserve to the capital profits reserve.
 
    Under US GAAP the amount shown in capital profits reserve would have been
reflected in the Statement of Profit in the half-year the fixed asset was sold
and be included in Retained Earnings. This adjustment has no net impact on
shareholders' equity.
 
(E) PROFIT AND LOSS ACCOUNT
 
    Under Australian GAAP the Company has disclosed certain items as "abnormal"
in the Statement of Profit in the March 1997 Accounts. There is no "abnormal
item" category in a US GAAP Statement of Profit such that these items would be
included in operating income.
 
<TABLE>
<CAPTION>
                                                                               1997       1996
                                                                              A $'000    A $'000
                                                                             ---------  ---------
<S>                                                                          <C>        <C>
Operating profit after income tax in accordance with Australian GAAP.......      2,818      1,498
Adjustments:
Depreciation relating to revalued assets...................................        340          4
Change in tax rates........................................................     --            (14)
                                                                             ---------  ---------
Net profit--US GAAP........................................................      3,158      1,488
                                                                             ---------  ---------
 
Shareholders' equity in accordance with Australian GAAP....................     15,320      5,130
Adjustments:
Unrealised profit on available-for-sale securities.........................          1        157
Accumulated depreciation of revalued assets................................        403         47
Asset revaluation reserve..................................................     (6,997)      (337)
                                                                             ---------  ---------
Shareholders' equity--US GAAP..............................................      8,727      4,997
                                                                             ---------  ---------
</TABLE>
 
                                      F-99
<PAGE>
No person has been authorized to give any information or to make any
representation in connection with this offering other than those contained in
this Prospectus, and, if given or made, such information or representation must
not be relied upon as having been authorized by Layne Christensen, any Selling
Stockholder or any Underwriter. This Prospectus does not constitute an offer to
sell or a solicitation of an offer to buy by anyone in any jurisdiction in which
such offer to sell or solicitation is not authorized, or in which the person
making such offer or solicitation is not qualified to do so or to any person to
whom it is unlawful to make such offer or solicitation. Neither the delivery of
this Prospectus nor any sale hereunder shall, under any circumstances, create
any implication that there has been no change in the affairs of the Company
since the date hereof or that the information contained herein is correct as of
any time subsequent to its date.
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            Page
                                                                            ----
<S>                                                                         <C>
Prospectus Summary........................................................    3
Risk Factors..............................................................    7
The Stanley Acquisition...................................................   11
Use of Proceeds...........................................................   16
Price Range of Common Stock...............................................   16
Dividend Policy...........................................................   16
Capitalization............................................................   17
Selected Consolidated Financial Data......................................   18
Unaudited Pro Forma Consolidated Financial Statements.....................   19
Management's Discussion and Analysis of Financial Condition and Results of
 Operations...............................................................   27
Business..................................................................   34
Management................................................................   47
Principal and Selling Stockholders........................................   49
Description of Capital Stock..............................................   52
Underwriting..............................................................   54
Legal Matters.............................................................   55
Experts...................................................................   55
Available Information.....................................................   55
Incorporation of Certain Documents by Reference...........................   56
Index to Consolidated Financial Statements................................  F-1
</TABLE>
 
                                5,000,000 SHARES
 
                                     [LOGO]
                               LAYNE CHRISTENSEN
                                    COMPANY
                                  COMMON STOCK
 
                               -----------------
                              P R O S P E C T U S
                               -----------------
 
                               PIPER JAFFRAY INC.
 
                            DILLON, READ & CO. INC.
 
                                August 14, 1997


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